The TOZO T6 Truly Wireless are a decent pair of truly wireless headphones. They're small and lightweight, and their decently comfortable fit should be suitable for extended listening sessions. Their out-of-the-box sound profile is slightly bass-heavy, which should please fans of EDM and hip-hop. They also last nearly 5.5 hours off a single charge, and their case holds an additional four charges. The case can be charged with any Qi-enabled wireless charger, which is a nice addition at this price point, and the headphones are rated IPX8 for water resistance, though we don't test for this. Unfortunately, they lack a companion app and don't have any customization options.
Our Verdict
The TOZO T6 are alright headphones for neutral sound. They have a slightly bass-heavy sound profile and don't have any sound enhancement features to customize their sound. Their soundstage also is perceived as closed-off and as if coming from inside your head, rather than spacious and wide. On the upside, they have very consistent bass and treble delivery, so you get the same sound each time you use them.
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Very consistent audio delivery.
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No companion app.
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Terrible passive soundstage.
The TOZO T6 are good for commute or travel. They're decently comfortable, and their 5.3-hour battery life should be fine for most commutes and shorter flights. Unfortunately, they don't block out the low rumble of bus or plane engines very well, though they help reduce ambient chatter around you. Their charging case also feels well-made and is fairly small, so you should be able to easily toss it into most pockets or bags without any issues.
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Great passive noise isolation.
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No companion app.
The TOZO T6 are very good for sports and fitness. Despite not having stability fins, they should stay in your ear quite well during most runs or workouts, and their control scheme is easy to use, so you can easily change tracks or pause your music without interrupting your workout. They're also rated IPX8 for water resistance, though this isn't something we currently test for.
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Stable fit.
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IPX8 rating for water resistance.
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No companion app.
The TOZO T6 are fair for office use. They leak almost no audio, so you should be able to blast your music without bothering your colleagues. They also do an excellent job at blocking out chatty coworkers, so you can stay concentrated on your work. Unfortunately, their 5.3-hour battery life may not last an entire workday off a single charge, though their carrying case holds around four additional charges.
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Great passive noise isolation.
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No companion app.
The TOZO T6 are Bluetooth-only headphones that aren't compatible with PS4 or Xbox One. While they can connect to a Bluetooth-enabled PC, they aren't recommended for this due to their high latency and sub-par overall microphone performance.
The TOZO T6 are Bluetooth-only headphones that can't be used wired.
The TOZO T6 are okay for phone calls. They have an integrated microphone so you can easily take calls while on-the-go, but their microphone records your voice as thin and hollow. The mic also struggles to separate your voice from moderate noise around you, which could make it very difficult for the person on the other end of the line to hear you clearly. On the upside, the headphones do a great job of blocking out background sound.
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Great passive noise isolation.
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Poor noise handling.
- 6.7 Neutral Sound
- 7.6 Commute/Travel
- 8.0 Sports/Fitness
- 7.0 Office
- 5.3 Wireless Gaming
- 5.2 Wired Gaming
- 6.9 Phone Calls
- Updated Jul 22, 2021: Converted to Test Bench 1.5.
- Updated Apr 14, 2021: Updated review for accuracy and clarity.
- Updated Mar 13, 2020: Review published.
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Differences Between Sizes And Variants
The TOZO T6 Truly Wireless come in three color variations: 'Black', 'Rose Gold', and 'White'. We tested the black variant, but we expect all color-variants to perform similarly to our model. If you come across another variant of these headphones, please let us know in the discussion section below, and we'll update our review.
Compared To Other Headphones
The TOZO T6 are a fairly standard pair of truly wireless headphones, though they do pack a few extra features that most in their price range don't. Their case can be charged wirelessly via any Qi-enabled charger, which is convenient, and they're rated IPX8 for water resistance, though this isn't something we currently test for. They're very similar to the TOZO T10 Truly Wireless, but with a smaller case, more balanced sound profile, and better battery performance.
See our recommendations for the best cheap wireless earbuds, the best earbuds under $50, and the best cheap earbuds.
The TOZO T6 Truly Wireless are better truly wireless headphones than the TOZO T10 Truly Wireless. The T6 are more comfortable, have better controls, a better-balanced sound profile, better battery life, a smaller case, and come with more different tip options. On the other hand, some people may prefer the physical, clicky buttons on the T10.
The TOZO T6 Truly Wireless and the TOZO T12 Truly Wireless are very similarly performing headphones, though the T6 hold a slight advantage. The T6 block out marginally more ambient noise, have a better-performing mic, and have a slightly longer total battery life. That said, the T12 provide a marginally more accurate listening experience.
The TOZO NC9 Truly Wireless and the TOZO T6 Truly Wireless have similar overall performances, so you may prefer one over the other depending on your listening habits. Thanks to their ANC feature, the NC9 offer a bit better noise isolation, especially against bass-heavy background noises like bus and plane engines. However, the T6 have a better leakage performance, and their continuous battery life is a bit longer.
The TOZO T6 Truly Wireless and the TOZO NC2 Truly Wireless have different strengths, and which you may prefer depends on your needs. The T6 are better for commuting and office use, as they passively isolate more noise than the NC2's ANC feature and don't leak as much sound. They also have a more stable fit and a better mic recording quality. On the other hand, the NC2 have a much longer battery life and a brighter, more bass-rich sound profile, which some users may prefer.
The JLab Audio GO Air POP True Wireless are better than the TOZO T6 Truly Wireless for most purposes. The JLab have longer continuous battery life and a more neutral default sound profile, which some may prefer. They also have onboard presets that you can use to customize their sound profile, unlike the TOZO. On the other hand, the TOZO have a significantly better noise isolation performance.
The Jabra Elite 3 True Wireless are better in-ears than the TOZO T6 Truly Wireless. The Jabra are more comfortable, have a more neutral default sound profile, which some users may prefer, and significantly better battery performance. Their sound profile is also customizable, thanks to their companion app's graphic EQ and presets. However, the TOZO have a better noise isolation performance.
The Apple AirPods Pro Truly Wireless are better truly wireless headphones than the TOZO T6 Truly Wireless. The Apple are more comfortable, feel more premium, better-built, have a more accurate and neutral sound profile, and have much better noise isolation thanks to their ANC feature. They also have a longer overall battery life. On the other hand, the TOZO are rated IPX8 for water resistance.
The Sony WF-C500 Truly Wireless are better for most purposes than the TOZO T6 Truly Wireless. The Sony have much longer continuous battery life and a more neutral default sound profile, which some may prefer. They also have a companion app with a graphic EQ and presets. They also support 360 Reality Audio. Ηowever, the TOZO have a much more stable fit and a significantly better noise isolation performance, although neither pair has ANC.
The TOZO T6 Truly Wireless and the Apple AirPods (3rd generation) Truly Wireless have different strengths. The Apple headphones have a much better build quality and a longer continuous battery life. They have an Η1 chip for easier pairing with Apple devices and Spatial Audio for virtual surround sound on supported iOS devices. Ηowever, they have an open design, so they block out virtually no ambient noise. Their sound also lacks bass. On the other hand, the TOZO have a slightly bass-rich sound profile and an ANC feature that blocks out a good amount of noise.
The TOZO T6 Truly Wireless and the Razer Hammerhead True Wireless 2021 are similarly performing headphones. Both in-ears are decently comfortable, well built, and have a stable fit. However, some users may prefer the TOZO's more neutral sound profile. The TOZO are also able to block out more ambient noise passively. However, the Razer's mic has a better recording quality. The Razer also have a better battery performance, and they have a companion app that offers a graphic EQ and presets that you can use to tweak their sound to your liking.
The Anker SoundCore Life P3 Truly Wireless are better than the TOZO T6 Truly Wireless. The Anker are more comfortable, and thanks to their ANC feature, they have better noise isolation. Also, they're compatible with the Anker Soundcore app, so you can customize their sound using the graphic EQ and presets.
The Anker SoundCore Liberty Air 2 Truly Wireless are slightly better truly wireless in-ears than the TOZO T6 Truly Wireless. The Anker have a better-balanced default sound profile, and their companion app gives you a lot of different sound customization options. The Anker's battery also lasts longer on a single charge. However, the TOZO's touch controls are easier to use.
The Mpow M30 Truly Wireless are better than the TOZO T6 Truly Wireless. The Mpow's fit is more comfortable, and they come with stability fins, which help get a more secure fit. The Mpow also have a more accurate sound profile, especially in the treble range, which some users may prefer. On the other hand, the TOZO's fit blocks out a bit more ambient noise, and the buds' battery lasts around an hour longer than the Mpow.
The HyperX Cloud 2/Cloud II and the TOZO T6 Truly Wireless are very different headphones. The HyperX are wired headphones with a boom microphone designed for gaming, while the TOZO are truly wireless Bluetooth earbuds for use with your mobile devices. You can still use the HyperX with your phone since they use a regular audio jack, but the TOZO aren't compatible with most gaming platforms and have too much wireless latency for PC gaming.
The EarFun Air Pro 2 True Wireless 2021 are better in-ears than the TOZO T6 Truly Wireless. While both headphones are comfortable and well-built, the EarFun have a more neutral sound profile, which some users may prefer, and their battery performance is better. However, the TOZO have a more stable in-ear fit and can isolate you from more ambient noise.
The Sony WF-1000XM3 Truly Wireless are better-performing truly wireless headphones than the TOZO T6 Truly Wireless. They have active noise cancelling, a more neutral sound profile, and better battery performance. However, since the Sony can be challenging to get fitted in your ears correctly due to their large earbuds, the TOZO actually end up isolating more overall noise passively. This can vary from person to person, though.
The Google Pixel Buds A-Series Truly Wireless and the TOZO T6 Truly Wireless have different strengths, and you may prefer either one. While both headphones are well-built, the Google earbuds are more comfortable, and have a more neutral default sound profile, which some users may prefer. However, the TOZO have a better noise isolation performance.
The Mpow Flame Pro Truly Wireless and the TOZO T6 Truly Wireless are both very good headphones for sports. The Mpow feature an ear-hook design that will be more stable in the ear, they're also more comfortable and have a much better battery performance overall. On the other hand, the TOZO have a better-balanced sound profile, block out background noise significantly better, and have a much smaller and more portable case.
The Beyerdynamic DT 770 PRO and the TOZO T6 Truly Wireless are very different headphones. The Beyerdynamic are wired headphones designed for critical listening in the studio, while the TOZO are truly wireless earbuds for casual everyday use. The TOZO support Bluetooth for wireless freedom on-the-go, but have too much latency for studio use.
The TOZO T6 Truly Wireless and the Samson SR850 have different strengths, and you may prefer either, depending on what you're looking for. The TOZO are Bluetooth earbuds with a bass-rich sound profile. They're better-suited for uses like sports or commuting since they passively isolate you from much more noise and have a much more compact and stable fit. On the other hand, the Samson are semi-open over-ear headphones intended for audiophiles. They have a much better passive soundstage performance and a brighter, more detailed sound profile.
The Sennheiser CX Plus True Wireless are more customizable in-ears than the TOZO T6 Truly Wireless. The Sennheiser are better built, and their companion app offers a graphic EQ and presets to help you adjust their sound to your liking. They have a significantly better battery performance and support aptX Adaptive codec. However, the TOZO are more comfortable and have a more neutral sound profile, which some users may prefer.
The TOZO T6 Truly Wireless are much better truly wireless earbuds than the Raycon E55 Truly Wireless. They have a much better-balanced sound profile, feel better built, have better noise isolation, a better microphone, wireless charging, and a slightly longer single-charge battery life. On the other hand, the E55 feel more stable in the ear and have a longer overall battery life.
The FIIL T1X True Wireless are better truly wireless headphones for sports and fitness than the TOZO T6 Truly Wireless. The FIIL are more comfortable and stable, and their sound profile is better-balanced and more neutral. They also have longer continuous battery life and they charge in less time too. They even come with a companion app that has 15 EQ presets. However, the TOZO isolate more noise, they leak less sound, and their integrated mic has a better recording quality.
The Wyze Buds Pro Truly Wireless are slightly better in-ears than the TOZO T6 Truly Wireless. While both headphones are decently comfortable and well-built, the Wyze have a more neutral default sound profile, which some users may prefer, and their battery performance is a bit better. However, the TOZO have a significantly better noise isolation performance, even though they don't have active noise cancelling.
The TOZO T6 Truly Wireless and the Audio-Technica ATH-M50xBT2 have different strengths, and you may prefer either. The TOZO are very portable earbuds with a much better noise isolation performance and a more stable fit, so they're better suited for commuting or sports use. On the other hand, the Audio-Technica are over-ear headphones with a significantly longer continuous battery life. They have a more neutral sound profile and a much better passive soundstage performance, which some may prefer, and also work with an app that offers sound customization features, unlike the TOZO.
The Audio-Technica ATH-M50x and the TOZO T6 Truly Wireless are very different headphones. The Audio-Technica are wired headphones design for critical listening in the studio, while the TOZO are truly wireless earbuds for casual everyday use. The TOZO support Bluetooth for wireless freedom on-the-go, but this means they have too much latency to be useful in the studio.
The Bose QuietComfort 35 II/QC35 II Wireless 2018 perform better overall than the TOZO T6 Truly Wireless but have a very different design. The Bose are over-ear Bluetooth headphones that are much more comfortable, have better controls, a better-balanced sound profile, significantly better noise isolation thanks to their ANC feature, and a much longer 20-hour battery life. On the other hand, the TOZO are truly wireless in-ears that are much more portable, breathe better, and feel much more stable in the ear.
The TOZO T6 Truly Wireless and Bowers & Wilkins Pi7 True Wireless are similarly performing in-ears, and you may prefer either one. The TOZO are more comfortable, have a more neutral default sound profile, and their continuous battery life is longer. However, the Bowers & Wilkins are better built and have ANC, which can help block out more background noise around you. You can also use their carrying case as a wireless transmitter.
The Samsung Galaxy Buds+ Truly Wireless are much better truly wireless earbuds than the TOZO T6 Truly Wireless. The Samsung have a more comfortable in-ear design and feel better built. They also have a more neutral, detailed sound profile and their battery lasts much longer on a single charge. The TOZO's controls are easier-to-use, but the Samsung still provide better value overall.
The Bose 700 Headphones Wireless and the TOZO T6 Truly Wireless are designed to serve different purposes. The Bose are noise cancelling over-ears with excellent microphone performance for taking business calls on-the-go, while the TOZO are truly wireless in-ears for more casual use. The earbuds don't have the same level of mic quality, nor are they as comfortable, but they're a lot more portable.
The Sony WH-1000XM3 Wireless are better wireless in-ears than the TOZO T6 Truly Wireless. The Sony look and feel more premium and durable, have a much better-balanced sound profile, much longer battery life, NFC pairing, and a dedicated companion app that gives access to a graphic EQ. On the other hand, the TOZO feel more stable in the ear. While the TOZO isolate background noise better overall, the Sony do a better job at blocking our the low rumble of engines thanks to their ANC feature.
The JBL LIVE 300TWS Truly Wireless are slightly better in-ears than the TOZO T6 Truly Wireless. The JBL are more comfortable and have a slightly better control scheme with more functionality. Their default sound profile is also better-balanced, and they have a great dedicated companion app that gives you a parametric EQ, presets, and button-mapping options. On the other hand, the TOZO block out much more background noise passively and have a longer battery, including many more charges in their case.
The Nothing Ear (1) Truly Wireless are slightly better in-ears than the TOZO T6 Truly Wireless. The Nothing are more comfortable, can isolate you from slightly more ambient noise around you, and have a better battery performance. Their companion app also offers EQ presets to help you adjust their sound to suit your tastes. However, the TOZO have a higher IP rating for water resistance.
The ENACFIRE E60 Truly Wireless are a bit better truly wireless in-ears than the TOZO T6 Truly Wireless. The ENACFIRE are much more comfortable, their sound profile is better-balanced and more neutral, and their continuous battery life is longer. Their charging case holds more charges too, and they support aptX codec. The TOZO's integrated mic performs better overall, though.
The Corsair HS80 RGB WIRELESS and the TOZO T6 Truly Wireless are very different headphones, and you may prefer one or the other depending on what you're looking for. The Corsair are wireless gaming headphones with an over-ear design. They have a boom mic that performs much better than the TOZO's integrated mic and come with a USB dongle that you can use to connect wirelessly to PCs and PlayStation consoles. On the other hand, the TOZO are much more portable Bluetooth earbuds. They're better-suited for purposes like commuting and office work since they leak less sound and passively isolate you from much more ambient noise.
Depending on your listening habits, you may prefer either the TOZO T6 Truly Wireless or the EPOS Sennheiser GSP 600. The TOZO are truly wireless in-ears with a more stable fit and better noise isolation. They also have better frequency response consistency. That said, the EPOS are for wired gaming. These over-ears have a more comfortable fit, and they're better built. They also have a better mic performance. However, you can't use them wirelessly.
The TOZO T6 Truly Wireless and the Xbox Wireless Headset are two headphones designed for different uses. The TOZO are more for casual use as they have a very portable design, a more stable fit, and they have a great passive noise isolation performance to help cut down ambient sound around you. However, the Xbox are gaming headphones that use Xbox Wireless Technology so that you can wirelessly connect to Xbox One and Xbox Series X|S consoles. They have a longer-lasting continuous battery life, a better overall microphone performance, and have companion software with a graphic EQ and presets to help tweak their sound to your liking.
The HyperX Cloud Alpha and the TOZO T6 Truly Wireless are very different headphones. The HyperX are wired headphones with a boom microphone designed for gaming, while the TOZO are truly wireless Bluetooth earbuds for use with your mobile devices. You can still use the HyperX with your phone since they use a regular audio jack, but the TOZO aren't compatible with most gaming platforms and have too much wireless latency for PC gaming.
The TOZO T6 Truly Wireless and the Shokz OpenRun Bone Conduction have different strengths, and you may prefer one over the other. The TOZO are budget-friendly in-ears with a more bass-heavy sound profile suitable for genres like EDM and hip-hop, and they're able to block out a good amount of ambient noise passively. However, the Shokz are bone conduction headphones that allow you to monitor your surroundings while listening to audio. They support multi-device pairing, meaning you can connect them with two devices at the same time, they have a longer continuous battery life, and they're more comfortable.
The TOZO T6 Truly Wireless and the JBL Vibe 100TWS True Wireless are similarly performing in-ears. While both in-ears are comfortable and well-built, the TOZO have a more stable in-ear fit and can passively block out more background noise. The JBL have a more neutral sound profile, which some users may prefer, and they have a better battery performance.
The TOZO T6 Truly Wireless are better truly wireless earbuds than the Raycon E25 True Wireless. The TOZO feel better-built, have a much better-balanced sound profile, isolate background noise better, have wireless charging, and a longer overall battery life. On the other hand, the Raycon are more comfortable, and last longer off a single charge.
The SteelSeries Arctis 7 2019 Edition Wireless and the TOZO T6 Truly Wireless are very different headphones. The SteelSeries are wireless headphones with a boom microphone designed for gaming, while the TOZO are truly wireless Bluetooth earbuds for use with your mobile devices. You can still plug the SteelSeries into your phone with a regular audio cable, but the TOZO aren't compatible with most gaming platforms and have too much wireless latency for PC gaming.
The TOZO T6 Truly Wireless and the Mpow EM12 Wireless Earphone look similar but are for different uses. While the T6 are fairly standard truly wireless in-ears, the EM12 looks like a single earbud from a pair of truly wireless headphones and is designed to use primarily while talking on the phone. That said, the mic on the T6 performs similarly overall, making them a more versatile option, as you can use a single earbud or use both to listen to music. The T6 have a less bass-heavy sound profile, though they do lack a bit of brilliance with higher frequencies. Overall, the T6 are much more versatile and are likely a better choice for most people.
Test Results
The TOZO T6 are fairly non-descript headphones. While they look almost identical to the TOZO T10 Truly Wireless, they have touch-sensitive controls instead of physical, clicky buttons. The earbuds are covered in a matte plastic, except for the touch-sensitive area, which is glossy. While we bought the black model, they're also available in 'White' or 'Rose Gold' color variants.
The TOZO T6 True Wireless Earbuds are decently comfortable. They come with six different sizes of tips to help you get a good, comfortable fit. While they fit similarly to the TOZO T10 Truly Wireless, they're slightly thinner and smaller in certain areas which makes them more comfortable in the ear. They also have touch-sensitive buttons, so you won't push them painfully into your ear when you press buttons, like with the T10. If you're looking for something more comfortable, but still affordable, check out the Mpow M30 Truly Wireless or ENACFIRE E60 instead.
The controls of the TOZO T6 True Wireless Earbuds are alright overall. They have touch-sensitive controls that are quite easy to use. You can tap once on either earbud to play/pause, tap twice on your left or right earbud to skip tracks back or forwards, respectively, and hold the left or right earbuds to adjust volume down or up. You can also pull up your phone's voice assistant by pressing three times on either earbud. Their touch buttons don't offer as good feedback as clicky physical buttons, but you do get voice prompts or beeps to let you know when it's registered your commands, which is nice.
Like most truly wireless earbuds, the TOZO T6 are very small and lightweight. You should be able to easily toss them into most pockets.
The case for the TOZO T6 is good. It feels slightly more premium than the case of the TOZO T10 Truly Wireless and is quite a bit smaller, closely resembling the case of the Apple AirPods (2nd generation) Truly Wireless. You can either charge them with their included Micro-USB to USB-A cable or by simply dropping it onto any Qi-enabled wireless charging pad, which is a nice addition. There are four lights on the case itself to let you know how much battery you have left, and the case is rated IPX8 for water resistance, though this isn't something we test for.
These headphones have a good build quality. They're made out of dense plastic and feel solid. They should be able to withstand a few accidental drops or bumps without taking too much damage. Both the earbuds and the case are also rated IPX8 for water resistance, though this isn't something we currently test for.
The TOZO T6 have a stable fit. Although they don't have stability fins, they should stay in place during workouts or while jogging.
- TOZO T6 headphones
- 6x tip size options
- Charging case
- Micro-USB to USB-A charging cable
- Manuals
The TOZO T6 have a slightly bass-heavy sound profile. They can reproduce a touch of extra thump, rumble, and boom, while vocals and lead instruments are detailed and clear. However, sibilants like cymbals sound dull. Unfortunately, they lack any sound enhancement features like an EQ to tweak their sound to better suit your tastes.
The frequency response consistency of these headphones is outstanding. Once you achieve a proper fit with the included tips, you should get the same audio delivery every time you use the headphones.
The TOZO T6's bass accuracy is decent. The entire range is overemphasized, although it's almost entirely flat in response. This results in a thumpy, boomy sound that should please fans of EDM and hip-hop. However, some users may find it sounds too boomy.
The TOZO T6 have excellent mid accuracy. Overall, the response is fairly neutral, though there's a dip in the mid-mids, which pushes instruments and vocals slightly back in the mix. That said, vocals and lead instruments still sound clear, and accurate.
The treble accuracy of the TOZO T6 is mediocre. The low-treble, which is responsible for the presence and detail of instruments and some vocals, is slightly over-emphasized, though it shouldn't sound too harsh or painful. There's a dip between the low to mid-treble, which makes the upper harmonics of vocals and lead instruments, as well as sibilants like cymbals, sound dull and lispy. There's also a peak in the mid-treble, which can make sibilants sharp and piercing.
The peaks and dips performance of the TOZO T6 is decent. There's a dip in the mid-mids, which pushes vocals and lead instruments to the back of the mix while a peak in the low-treble makes the upper harmonics of these sounds harsh. There's also a deep dip and peak in the mid-treble, which makes sibilants like S and T sounds alternatively dull and piercing.
The imaging performance of these headphones is excellent. Their weighted group delay graph shows that the entire response is well below the audibility threshold, ensuring tight bass and transparent treble. The left and right drivers of our unit are also well-matched in frequency, amplitude, and phase response, which is important for the accurate placement and localization of objects (voices, instruments, video game effects) in the stereo image. However, these results are only valid for our unit and yours may perform differently.
Like most in-ears, the soundstage performance of the TOZO T6 is terrible. Since they're in-ear headphones, they completely bypass the outer ear, which is an important factor in creating an out-of-head and speaker-like soundstage. As a result, the soundstage is perceived as coming from inside your head. Their closed-back design also means that their soundstage won't feel as open as that of open-back earbuds like the Apple AirPods (2nd generation) Truly Wireless or the Bose SoundSport Free Truly Wireless.
The weighted harmonic distortion performance of the TOZO T6 is good. They tend to distort a bit more in the higher frequencies, which can be a bit more noticeable. However, it's still within good limits, and most people likely won't have any issues, even at louder volumes.
These are the settings used while testing these headphones; therefore, the results are only valid for these test settings.
Due to the lack of a companion app, we were unable to determine the firmware version. If you own these headphones and know where to find it, let us know in the discussion section below.
The TOZO T6 have great noise isolation. While they don't have an active noise cancellation (ANC) feature like more premium options, they passively block out background noises quite well, providing you achieve a proper fit with the included tips. They do an outstanding job of blocking out background chatter and the high-pitched noise of an AC unit. However, they really struggle to cut down the low rumbles of bus or plane engines. For headphones with a dedicated ANC feature, check out the TOZO NC9 Truly Wireless.
The TOZO T6 leak almost no audio. You should be able to play music quite loud without bothering people sitting next to you, making them a suitable option to keep you concentrated in the office.
The microphone recording quality of these headphones is decent. Your voice should be decently clear and easy to understand, but unfortunately, like most Bluetooth in-ears, it's thin and lacking in detail.
The noise handling of the microphone is disappointing. While the person you're speaking to should be able to hear you in quiet situations, your voice gets lost in even moderately noisy environments like a busy street.
The battery performance of the TOZO T6 is sub-par. They're advertised to have six hours of continuous playback time, but we measured slightly under this amount. Even though they don't have any power-saving features, their carrying case holds roughly four additional charges, which is handy in a pinch. However, battery life can vary according to usage, so your results may vary.
These headphones don't have a dedicated companion app, so you can't EQ their sound or alter their control scheme. To update their firmware, TOZO offers a downloadable APK for Android devices, but this only updates the headphones and serves no other purpose.
Unfortunately, the TOZO T6 have okay Bluetooth connectivity. They don't support multi-device or NFC pairing, so you can only connect them via Bluetooth to one device at a time. Unfortunately, they have higher latency on PC, iOS, and Android than the similarly designed TOZO T12 Truly Wireless, so you may experience delays if you're streaming video. That said, some apps and devices compensate for latency differently, so your real-life experience may vary.
These headphones can't be used wired. They come with a short micro-USB to USB-A cable to charge the case.
The charging case for the TOZO T6 supports wireless Qi charging and holds an additional four charges. Like most truly wireless headphones, there are no inputs on the case.