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We've recently released our Test Bench 1.6 update for Headphones! Read the Latency R&D Article to learn more.

TOZO NC7 Truly Wireless Headphones Review

Tested using Methodology v1.5
Review updated Aug 31, 2023 at 11:41 am
TOZO NC7 Truly Wireless Picture
6.9
Neutral Sound
7.8
Commute/Travel
8.2
Sports/Fitness
7.1
Office
5.3
Wireless Gaming
5.2
Wired Gaming
6.7
Phone Calls

The TOZO NC7 Truly Wireless are budget-friendly noise cancelling truly wireless in-ears. Like the TOZO NC9 Truly Wireless, you can cycle between their Active Noise Cancelling (ANC) feature and Transparency Mode, which lets in some ambient sound to stay aware of your surroundings. These simple in-ears don't come with a companion app or any customization features for their sound, though, and you can't turn their ANC feature off entirely.

Our Verdict

6.9 Neutral Sound

The TOZO NC7 are adequate for neutral sound. They have a somewhat excited sound profile that adds a little extra thump in the low-bass while pushing vocals and lead instruments towards the back of the mix. Also, sibilants like S and T sounds are piercing, which can be painful to listeners who prefer a more neutral sound. Unfortunately, they don't have any sound customization options.

Pros
  • Consistent audio delivery.
Cons
  • No sound customization options.
7.8 Commute/Travel

The TOZO NC7 are very good for commute and travel. Thanks to their ANC feature, they can block out background noises like bus and plane engines and commuters chatting around you. They're portable and decently comfortable, though their deep in-ear fit isn't comfortable for everyone. They have a roughly eight-hour battery life, but if you need to top them off throughout their day, their carrying case supplies an additional two charges.

Pros
  • Impressive noise isolation.
  • Portable, well-built design.
Cons
  • Okay battery performance.
8.2 Sports/Fitness

The TOZO NC7 are impressive for sports and fitness. These well-built, portable in-ears have a breathable design, so you don't sweat more than usual while wearing them. They're stable enough to stay in your ears during light workouts, but they don't have stability fins, and they can fall out during more intense exercises. Also, they sit deep in your ears, which may not be comfortable for everyone.

Pros
  • Portable, well-built design.
  • Good stability.
Cons
  • No stability fins.
7.1 Office

The TOZO NC7 are fair for office use. These headphones offer great noise isolation, so you aren't distracted by the sounds of coworkers talking nearby or the hum of AC units. They also don't leak a lot of audio, so you can crank up the volume without bothering your coworkers. Unfortunately, their deep in-ear fit isn't comfortable for everyone, and their eight-hour continuous battery life may not be suitable for long days at the office.

Pros
  • Impressive noise isolation.
Cons
  • Okay battery performance.
5.3 Wireless Gaming

The TOZO NC7 aren't compatible with PlayStation or Xbox consoles. You can use them with Bluetooth-compatible PCs and for mobile gaming with your Android or iOS device, but their latency is likely too high to be suitable for wireless gaming.

5.2 Wired Gaming

These wireless-only headphones aren't suitable for wired gaming.

6.7 Phone Calls

The TOZO NC7 are reasonable for phone calls. Their integrated microphone has a decent recording quality, so whoever's on the other end of the line can understand you, but your voice also sounds thin. The mic also struggles to separate your voice from background sound, so it isn't suitable for making calls from noisy settings. Fortunately, their ANC feature helps you focus on your call.

Pros
  • Impressive noise isolation.
Cons
  • Disappointing mic noise handling performance.
  • 6.9 Neutral Sound
  • 7.8 Commute/Travel
  • 8.2 Sports/Fitness
  • 7.1 Office
  • 5.3 Wireless Gaming
  • 5.2 Wired Gaming
  • 6.7 Phone Calls
  1. Updated Aug 31, 2023: Updated review text for clarity. No changes in test results.
  2. Updated Jan 13, 2022: Converted to Test Bench 1.5.
  3. Updated Mar 23, 2021: Review published.
  4. Updated Mar 18, 2021: Early access published.
  5. Updated Mar 12, 2021: Our testers have started testing this product.
  6. Updated Mar 12, 2021: The product has arrived in our lab, and our testers will start evaluating it soon.
  7. Updated Mar 05, 2021: We've purchased the product and are waiting for it to arrive in our lab.

Differences Between Sizes And Variants

The TOZO NC7 come in 'Black', and you can see the label for the model we tested here.

If you come across another version, let us know in the forums so we can update our review.

Compared To Other Headphones

The TOZO NC7 are truly wireless in-ears that offer impressive noise isolation thanks to their ANC feature. Like the TOZO NC9 Truly Wireless, you can't turn the ANC off entirely, but you can switch to Transparency Mode, which lets in some ambient noise to help you stay aware of your surroundings. That said, they don't have any sound customization features.

See also our recommendations for the best wireless earbuds, the best noise cancelling headphones under $100, and the best wireless Bluetooth earbuds under $100.

TOZO NC9 Truly Wireless

The TOZO NC7 Truly Wireless are better headphones than the TOZO NC9 Truly Wireless. The NC7 have a more balanced sound profile compared to the NC9, especially in the bass range, so they're more suitable for fans of neutral sound. Also, they leak less audio, and they have longer continuous battery life. Their charging case also supports wireless charging, which is handy. That said, the NC9's charging case offers around one extra charge.

TOZO NC2 Truly Wireless

The TOZO NC7 Truly Wireless are better for most uses than the TOZO NC2 Truly Wireless. The NC7 have an impressive ANC feature, a more stable fit, and a better microphone recording quality. On the other hand, the NC2 have a longer continuous battery life, and their case holds more extra charges. They're also smaller and less bulky than the NC7, which some may prefer. 

Mpow X5 Truly Wireless

The Mpow X5 Truly Wireless and the TOZO NC7 Truly Wireless are similarly performing headphones, so depending on your listening habits, you may prefer one over the other. The Mpow are more comfortable, and they have a slightly better noise isolation performance. However, the TOZO have a more balanced sound profile, especially in the bass range, and their continuous battery life is a bit longer.

TaoTronics SoundLiberty 94 Truly Wireless

Depending on your listening habits, you may prefer either the TaoTronics SoundLiberty 94 Truly Wireless or the TOZO NC7 Truly Wireless. The TOZO have a more balanced sound profile, and they have longer continuous battery life. However, the TaoTronics offer better noise isolation, and they leak less audio.

Sony WI-SP600N Wireless

The TOZO NC7 Truly Wireless are better headphones than the Sony WI-SP600N Wireless. The TOZO have a more balanced sound profile compared to the Sony's bass-heavy sound. They also have better noise isolation, especially against bass-heavy background noise, and their continuous battery life is longer. However, some listeners may prefer the Sony's neckband design, and they have more sound customization features thanks to the graphic EQ and presets in their companion app.

JBL Vibe Beam True Wireless

The TOZO NC7 Truly Wireless and the JBL Vibe Beam True Wireless are both budget-friendly in-ears with different strengths. The TOZO are more comfortable and more stable. Unlike the JBL, they have an ANC feature, and they can block out more background noise. However, the JBL have a companion app with more customization features, including a parametric EQ. Their microphone offers better performance for phone calls, too.

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Test Results

perceptual testing image
Design
Design
Style
Type In-ear
Enclosure Closed-Back
Wireless Truly Wireless
Transducer Dynamic

The TOZO NC7 are truly wireless in-ears with a similar design to other products from this manufacturer, like the TOZO NC9 Truly Wireless and the TOZO T12 Truly Wireless. They're mostly made of matte plastic and have a glossy plastic outer ring. Their shape is rounded, though, so they're slightly bulky in your ears. They're only available in Black.

7.0
Design
Comfort
Weight 0.02 lbs
Clamping Force
0 lbs

They're decently comfortable. You have lots of different sizes of earbud tips to help you get the best possible fit. However, the buds are a little bulky and sit a bit deep in your ear, which may not feel comfortable for everyone. Fortunately, pressing their touch-sensitive controls doesn't push them further into your ear.

7.6
Design
Controls
OS Compatibility
Not OS specific
Ease Of Use Decent
Feedback Good
Call/Music Control Yes
Volume Control Yes
Microphone Control No
Channel Mixing
No
Noise Cancelling Control On/Off
Talk-Through
On/Off
Additional Controls Voice Assistant

The touch-sensitive controls aren't the most intuitive, but they're pretty easy to use once you get the hang of them. There are voice prompts for pairing and switching between ANC and Transparency Mode, which lets in some ambient noise so you can hear people talking around you. There are also audible beeps as you raise the volume and a separate sound to tell you when you've reached minimum or maximum volume.

On the left bud:

  • Tap once: Switches between ANC and Transparency Mode.
  • Tap twice: Skips to the previous track.
  • Press and hold: Turns the volume down.

On the right bud:

  • Tap once: Play/pauses your audio.
  • Tap twice: Skips to the next track.
  • Press and hold: Turns the volume up.

If you get a phone call, you can tap either bud to answer and hold either bud to end or reject the call. Pressing either bud three times activates the voice assistant, too.

9.2
Design
Breathability
Avg.Temp.Difference 0.8 ยฐC

They have superb breathability. Like most in-ears, they don't trap a lot of heat, so you don't sweat more than usual while wearing them during your workouts at the gym.

9.4
Design
Portability
L 1.4" (3.6 cm)
W 1.3" (3.3 cm)
H 1.0" (2.5 cm)
Volume 1.80 inยณ (29.50 cmยณ)
Transmitter Required No

These buds are incredibly portable thanks to their small and lightweight design. Their carrying case isn't very large, either, so it fits easily into your pocket or bag.

7.5
Design
Case
Type Hard case
L 2.4" (6.1 cm)
W 1.0" (2.5 cm)
H 1.4" (3.6 cm)
Volume 3.40 inยณ (55.72 cmยณ)

The case is good. It's mostly made of plastic, and it even supports wireless charging. There are even four LED lights to indicate the battery level.

7.5
Design
Build Quality

These headphones have a good build quality. Like the TOZO NC9 Truly Wireless, they're mostly made of plastic, with a matte finish on the exterior and a glossy finish on the interior. They're even rated IPX6 for water resistance, so they're protected against high-pressure water streams from any angle, making them more than suitable if you wear them on a rainy day. However, the earbud tips seem like a potential weak point over time since the material isn't the most durable.

7.5
Design
Stability

The TOZO NC7 are stable. They stay in your ears during casual listening sessions or even moderately intense workouts at the gym. However, they don't have stability fins, and they can fall out during more intense workouts.

Design
Headshots 1
Design
Headshots 2
Design
Top
Design
In The Box

  • TOZO NC7 headphones
  • 6x ear tips
  • Charging case
  • USB-C to USB-A charging cable
  • Manuals

Sound
Sound
Sound Profile
Bass Amount
3.73 dB
Treble Amount
0.81 dB

These headphones have a slightly excited, V-shaped sound profile. A little extra emphasis in the low-bass adds some thump to your audio. As indicated by the dip in the mids, vocals and lead instruments are pushed towards the back of the mix, and they sound weak and distant, too. Sibilants like S and T sounds are bright and a bit piercing to those especially sensitive to these sounds. There aren't any sound customization features, so you can't adjust their sound.

8.6
Sound
Frequency Response Consistency
Avg. Std. Deviation
0.28 dB

These headphones have excellent frequency response consistency. Once you get a proper fit with the included earbud tips, you'll get a consistent audio delivery each time you use them.

Sound
Raw Frequency Response
8.3
Sound
Bass Accuracy
Std. Err.
2.41 dB
Low-Frequency Extension
10 Hz
Low-Bass
4.89 dB
Mid-Bass
0.82 dB
High-Bass
0.54 dB

The low-bass is overemphasized, so you feel the deep thump and rumble in your audio, especially with bass-heavy tracks like Starboy by the Weeknd. The rest of the range is quite balanced, though, so the punch and fullness in the bass is present without becoming overwhelming.

7.8
Sound
Mid Accuracy
Std. Err.
2.92 dB
Low-Mid
0.02 dB
Mid-Mid
-3.36 dB
High-Mid
-3.39 dB

The mid accuracy is very good. The range is pretty balanced, but the mid-mids and high-mids are slightly underemphasized. As a result, vocals and lead instruments are pushed towards the back of the mix, and they're weak and distant.

7.4
Sound
Treble Accuracy
Std. Err.
3.95 dB
Low-Treble
-2.54 dB
Mid-Treble
5.38 dB
High-Treble
-2.82 dB

These headphones have decent treble accuracy. The slightly underemphasized low-treble hurts the comprehensibility of vocals and lead instruments. However, the peak in the mid-treble makes sibilants, like cymbals or S and T sounds, piercing and painful.

7.1
Sound
Peaks/Dips
Peaks
1.99 dB
Dips
1.19 dB

These headphones have a decent peak and dips performance. The peaks and dips are minor, indicating that the headphones can control their sound profile well. The peak in the low-bass adds thump to your audio, while the slight dip in the mid-bass takes some punch away. The slight dips in the mid-mids and high-mids nudge vocals and lead instruments toward the back of the mix, and they sound weak and distant as a result. The peak in the mid-treble makes sibilants like cymbals piercing and painful.

8.6
Sound
Imaging
Weighted Group Delay
0.19
Weighted Phase Mismatch
2.57
Weighted Amplitude Mismatch
1.12
Weighted Frequency Mismatch
1.72

Headphones from this manufacturer tend to have good imaging, which is an overall sign of quality control and ergonomics. Our unit's L/R drivers are well-matched in phase, frequency, and amplitude response, which helps ensure a stable stereo image so sound objects are accurately placed within it. Their weighted group delay also falls below the audibility threshold, resulting in a tight bass and transparent treble. However, imaging can vary between units.

0.8
Sound
Passive Soundstage
PRTF Accuracy (Std. Dev.)
N/A
PRTF Size (Avg.)
N/A
PRTF Distance
N/A
Openness
1.8
Acoustic Space Excitation
1.5

These headphones have a poor passive soundstage, which is to be expected. Due to their in-ear design, they bypass the outer ear, which is one of the key factors in creating a large and out-of-body soundstage. As a result, sound seems like it's coming from inside your head rather than from speakers placed all around you. They also have a closed-back design, so their soundstage isn't perceived to be as open as that of open-back headphones.

0
Sound
Virtual Soundstage
Head Modeling
No
Speaker Modeling
No
Room Ambience
No
Head Tracking
No
Virtual Surround
No App
8.0
Sound
Weighted Harmonic Distortion
WHD @ 90
0.179
WHD @ 100
0.105

They have a great weighted harmonic distortion performance. All frequencies fall within good limits, resulting in clear and pure audio reproduction.

Sound
Test Settings
Firmware
Unknown
Power
On
Connection
Bluetooth 5.0
Codec
SBC, 16-bit, 48kHz
EQ
No EQ
ANC
On
Tip/Pad
Silicone (small)
Microphone
Integrated

These are the settings we used to test these headphones. Our results are only valid when using these settings.

Isolation
8.2
Isolation
Noise Isolation
Isolation Audio
Overall Attenuation
-21 dB
Noise Cancelling Yes
Bass
-20.54 dB
Mid
-15.68 dB
Treble
-26.05 dB

The TOZO NC7 have impressive noise isolation. With their ANC turned on, they can block out background noises like bus and plane engines, voices, and the hum of nearby AC units.

Note: You can't turn off the ANC feature on these headphones, though you can cycle between it and their Transparency Mode, which lets in some ambient noise. We tested these headphones completely off to measure their passive noise isolation performance for comparison.

8.7
Isolation
Leakage
Leakage Audio
Overall Leakage @ 1ft
29.4 dB

The TOZO NC7 have an amazing leakage performance. They don't leak a lot of audio, and escaping audio sounds quite thin. You can listen to music at loud volumes without really bothering those around you.

Microphone
Microphone
Microphone Style
Integrated
Yes
In-Line
No
Boom
No
Detachable Boom
No
Mic Yes
7.3
Microphone
Recording Quality
Recorded Speech
LFE
315.41 Hz
FR Std. Dev.
2.8 dB
HFE
4,974.24 Hz
Weighted THD
0.369
Gain
12.66 dB

The integrated microphone has a satisfactory recording quality. Your voice sounds natural and understandable to whoever's on the other end of the line. However, it's a bit thin.

5.3
Microphone
Noise Handling
SpNR
8.61 dB
Noise Gate
Always On
Speech + Pink Noise Handling
5.5
Speech + Pink Noise Audio Sample
Speech + Subway Noise Handling
5.0
Speech + Subway Noise Audio Sample

The microphone has a middling noise handling performance. It struggles to separate your voice from background noise, so the person on the other end of the line may have trouble understanding you, even if you're only calling from a moderately noisy setting.

Active Features
6.6
Active Features
Battery
Battery Type
Rechargable
Continuous Battery Life
8.2 hrs
Additional Charges
2.0
Total Battery Life
24.6 hrs
Charge Time
1.1 hrs
Power-Saving Feature
No
Audio While Charging
Yes
Passive Playback
No
Charging Port USB-C

The manufacturer advertises a battery life of 10.5 hours, and in our tests, they lasted for just over eight hours off of a single charge. However, battery life can vary depending on usage. You can also listen to audio through one bud while the other is charging, which is handy.

0
Active Features
App Support
App Name No App
iOS No
Android No
macOS No
Windows No
Equalizer
No
ANC Control
No
Mic Control No
Room Effects
No
Playback Control
No
Button Mapping No
Surround Support
No
Connectivity
6.9
Connectivity
Bluetooth
Bluetooth Version
5.0
Multi-Device Pairing
No
NFC Pairing
No
Line Of Sight Range
233.00 ft (71.02 m)
PC Latency (SBC)
262 ms
PC Latency (aptX)
N/A
PC Latency (aptX HD)
N/A
PC Latency (aptX-LL)
N/A
iOS Latency
169 ms
Android Latency
207 ms

The TOZO NC7 have fair Bluetooth connectivity. They don't support NFC pairing for quick pairing with an NFC-enabled device, and you can only pair them with one device at a time. Their latency on PCs, as well as on iOS and Android devices, is also too high to be suitable for gaming. Keep in mind that some apps compensate for latency differently.

0
Connectivity
Non-Bluetooth Wireless
Non-BT Line Of Sight Range
N/A
Non-BT Latency
N/A
0
Connectivity
Wired
Analog Audio
No
USB Audio
No
Detachable No
Length N/A
Connection
No Wired Option
Analog/USB Audio Latency
N/A

You can't use these headphones with a wired connection. They come with a USB-C to USB-A cable, but it's just for charging the case.

Connectivity
PC Compatibility
Analog
No
Wired USB
No
Non-BT Wireless
No

You can only wirelessly connect these headphones to a Bluetooth-enabled PC for full microphone and audio compatibility.

Connectivity
PlayStation Compatibility
PS4 Analog
No
PS4 Wired USB
No
PS4 Non-BT Wireless
No
PS5 Analog
No
PS5 Wired USB
No
PS5 Non-BT Wireless
No
Connectivity
Xbox Compatibility
Xbox One Analog
No
Xbox One Wired USB
No
Xbox One Non-BT Wireless
No
Xbox Series X|S Analog
No
Xbox Series X|S Wired USB
No
Xbox Series X|S Non-BT Wireless
No
2.2
Connectivity
Base/Dock
Type
Charging Case
USB Input
No
Line In
No
Line Out
No
Optical Input
No
RCA Input
No
Dock Charging
Yes
Power Supply
USB-C

The charging case carries around two extra charges for the earbuds. You can charge the case using the included USB-C cable. It also supports wireless charging.