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EarFun Free Truly Wireless Headphones Review

Tested using Methodology v1.4
Reviewed Nov 21, 2019 at 10:31 am
EarFun Free Truly Wireless Picture
6.8
Mixed Usage
6.9
Neutral Sound
7.1
Commute/Travel
8.0
Sports/Fitness
6.5
Office
5.2
Wireless Gaming
5.1
Wired Gaming
6.3
Phone Calls
Type In-ear
Enclosure Closed-Back
Wireless Truly Wireless
Noise Cancelling No
Mic Yes
Transducer Dynamic

The EarFun Free are decent truly wireless headphones. They have a bit of a bass-heavy sound profile and their vocal reproduction is a bit recessed. They offer a decent total battery life and are decently comfortable for in-ears. However, they won't be great for watching video content as they have a noticeable delay and aren't the best option to block out ambient noise. Nevertheless, they're a good option for someone who isn't looking for premium truly wireless headphones.

Our Verdict

6.8 Mixed Usage

Decent for mixed usage. These headphones have a pretty good audio reproduction, although they're a bit bass-heavy. They're very easy to carry around thanks to their truly wireless design. They're also great for sports since they're very breathable and have a stable fit. However, they aren't designed for gaming and won't be ideal for phone calls either.

Pros
  • Stable and breathable design for sports.
  • Very portable.
  • Low leakage.
  • Four additional charges from the case.
Cons
  • Lack of volume control.
  • Plasticky design.
  • Sub-par noise isolation.
6.9 Neutral Sound

Decent for neutral listening. These headphones have a well-balanced audio reproduction, although they're a bit on the bass-heavy side. They'll be better suited for bass-heavy music. Also, the in-ear fit might not be the ideal design for critical listeners, especially since the soundstage is practically nonexistent.

7.1 Commute/Travel

Decent for commuting or traveling. They're easy to carry around and are decently comfortable for in-ears. However, their noise isolation is sub-par and won't block out much noise. Their battery life is a bit short for long flights but should be more than enough for your daily commute.

8.0 Sports/Fitness

Great for sports. These buds are small, breathable, and offer a stable fit. They won't make you sweat more than usual and are easy to bring around to the gym. Their wireless design is also great for freedom of movement and they're very lightweight.

6.5 Office

Okay for the office. While they can reduce ambient chatter well, their battery life won't be long enough for a full work day. Their fit might also not be the most comfortable to wear for hours.

5.2 Wireless Gaming

These headphones have very high Bluetooth latency and shouldn't be used for wireless gaming.

5.1 Wired Gaming

These are Bluetooth-only headphones and can't be used wired.

6.3 Phone Calls

Mediocre for phone calls. The microphone struggles to separate ambient noise from recorded speech, so be sure to make calls in very quiet conditions. Also, recorded speech sounds muffled and lacks detail, but is still understandable.

  • 6.8 Mixed Usage
  • 6.9 Neutral Sound
  • 7.1 Commute/Travel
  • 8.0 Sports/Fitness
  • 6.5 Office
  • 5.2 Wireless Gaming
  • 5.1 Wired Gaming
  • 6.3 Phone Calls
  1. Update 3/24/2020: Converted to Test Bench 1.4.

Test Results

perceptual testing image
Design
Design
Style

The EarFun Free are pretty bland truly wireless headphones. They have an all-black or all-white design that doesn't particularly stand out. They're very small buds that don't protrude out of the ears. The manufacturer's logo is on the button on each bud, but this won't be very noticeable.

7.0
Design
Comfort
Weight 0.02 lbs
Clamping Force
0.0 lbs

The EarFun Free Earbuds are decently comfortable, especially for in-ear headphones. They're very lightweight and small, which means they don't put much pressure inside your ear. The controls are also very easy to press, meaning you don't have to push the buds into your ear canal for commands to register.

5.1
Design
Controls
OS Compatibility
Not OS specific
Ease Of Use Decent
Feedback Decent
Call/Music Control Yes
Volume Control No
Microphone Control No
Channel Mixing
No
Noise Cancelling Control No
Talk-Through
No
Additional Controls Voice Assistant

The EarFun Free Earbuds' control scheme is a bit basic and lackluster. Unlike the FIIL T1X True Wireless, they don't have volume control, which can be a deal-breaker for some. There's a single button on each bud which lets you control your music and manage your calls as well. The buttons are fairly clicky, but the buds don't offer any audio cues for commands, which is a bit disappointing.

9.2
Design
Breathability
Avg.Temp.Difference 0.8 C

Like other truly wireless headphones, these small buds don't trap heat inside or around your ears, making them a very breathable option, which is optimal for sports.

9.5
Design
Portability
L 1.5 "
W 1.1 "
H 0.7 "
Volume 1.2 Cu. Inches
Transmitter Required No

Like all truly wireless headphones, the EarFun Free buds are very small, making it easy to carry them in your pants pockets or a bag wherever you go.

7.0
Design
Case
Type Hard case
L 3.1 "
W 1.6 "
H 1.2 "
Volume 6.0 Cu. Inches

The EarFun Free's case is decent. It's entirely made of plastic and is a bit bigger than other similar truly wireless designs, but you should still be able to put it inside your pockets. It has a 4-light battery indicator, which is nice. If you want something similar with a case that can be charged wirelessly, check out the TOZO T10, though they don't perform quite as well overall.

7.0
Design
Build Quality

The EarFun Free are decently built headphones. They're made out of plastic, but they do feel dense enough to survive physical damage from accidental falls. They're also rated IPX7 for water resistance, although we don't test this internally. If you want something similar that feel a bit better-built, check out the TOZO T6 Truly Wireless.

7.5
Design
Stability

Although they don't have any stability fins, the EarFun Free are stable enough for sports. Their small bud design fits snugly inside the ear and they come with three other tip options for you to find the best fit.

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

  • EarFun Free headphones
  • Charging case
  • 3x tip options
  • USB-C charging cable
  • Manuals

Sound
Sound
Sound Profile
Bass Amount
3.09 db
Treble Amount
-1.24 db

The EarFun Free have a decently well-balanced sound profile, although it's a bit on the bass-heavy side. These headphones will be more suitable for bass genres like EDM or even hip-hop, and might not be the best option for people who care about the clarity of vocals.

9.6
Sound
Frequency Response Consistency
Avg. Std. Deviation
0.08 dB

Like most in-ear headphones, the EarFun Free have amazing frequency response consistency. This means that they perform pretty much the same way every time you use them, and they perform well on different users too.

Sound
Raw Frequency Response
6.8
Sound
Bass Accuracy
Std. Err.
4.43 dB
Low-Frequency Extension
10 Hz
Low-Bass
4.56 dB
Mid-Bass
5.0 dB
High-Bass
5.06 dB

The bass accuracy is great. It is well-balanced, but slightly over our neutral target curve. Users might hear extra thump and rumble, which fans of bass might like.

8.6
Sound
Mid Accuracy
Std. Err.
1.81 dB
Low-Mid
2.31 dB
Mid-Mid
-1.42 dB
High-Mid
-0.01 dB

The mid accuracy of the EarFun Free is very good. It's fairly well-balanced, but vocals might feel to be at the back of the mix and won't sound as clear.

7.6
Sound
Treble Accuracy
Std. Err.
3.2 dB
Low-Treble
0.91 dB
Mid-Treble
1.93 dB
High-Treble
-4.15 dB

The treble accuracy is also great. The response is fairly even, but higher frequencies and sibilants (S and T sounds) like cymbals, might feel a bit sharp for some people.

7.6
Sound
Peaks/Dips
Peaks
1.53 db
Dips
1.18 db

The EarFun Free have a decent peaks/dips performance. There's a bit of overemphasis in the bass range which makes them sound a bit warm, especially mixed with the wider dip in the mid-range. This makes the vocals and lead instruments pushed to the back of the mix while putting more emphasis on the lower-end frequencies. There are also a few peaks in the treble range, which could make sibilants (S and T sounds) a bit sharp and piercing.

9.3
Sound
Imaging
Weighted Group Delay
0.15
Weighted Amplitude Mismatch
0.16
Weighted Frequency Mismatch
0.94
Weighted Phase Mismatch
2.98

The EarFun Free's stereo imaging is excellent. The group delay is below the audibility threshold, which results in a tight bass and transparent treble range. Our unit's L/R drivers were also very well-matched, which is important for the localization of objects in the stereo image. Note that these results are only valid for our unit, and yours may perform differently.

1.1
Sound
Passive Soundstage
PRTF Accuracy (Std. Dev.)
N/A
PRTF Size (Avg.)
N/A
PRTF Distance
N/A
Openness
4.3
Acoustic Space Excitation
0.9

The EarFun Free's soundstage is poor. This is because creating an out-of-head and speaker-like soundstage is largely dependent on activating the resonances of the pinna (outer ear). The design of in-ears and earbuds is in such a way that fully bypasses the pinna and doesn't interact with it. Also, because these headphones have a closed-back enclosure, their soundstage won't be perceived to be as open as that of open-back earbuds like the Apple AirPods 2 Truly Wireless 2019, Google Pixel Buds Wireless, or the Bose SoundSport Free Truly Wireless.

0
Sound
Virtual Soundstage
Head Modeling
No
Speaker Modeling
No
Room Ambience
No
Head Tracking
No
Virtual Surround
No App
7.4
Sound
Weighted Harmonic Distortion
WHD @ 90
0.301
WHD @ 100
0.202

The EarFun Free's weighted harmonic distortion performance is decent. It's within very good limits in the bass range, but slightly gets elevated in higher frequencies, although this shouldn't be audible to most people. There's also no big jump under heavier loads, which is great.

Sound
Test Settings
Firmware
Unknown
Power
On
Connection
Bluetooth 4.2
Codec
SBC, 16-bit, 48kHz
EQ
No EQ
ANC
No ANC
Tip/Pad
Silicone (small)
Microphone
Integrated
Isolation
5.6
Isolation
Noise Isolation
Isolation Audio
Overall Attenuation
-13.7 dB
Bass
-1.41 dB
Mid
-13.03 dB
Treble
-27.76 dB

The EarFun Free's noise isolation is sub-par. They don't have any active noise cancellation and their passive isolation is quite disappointing. They won't be ideal for blocking out the noise in public transit as they don't reduce the deep rumble of a bus or train. They're decent for an office setting as their fit reduces ambient chatter and the noise coming from the A/C.

9.2
Isolation
Leakage
Leakage Audio
Overall Leakage @ 1ft
26.0 dB

The EarFun Free's leakage performance is excellent. These in-ears practically don't leak, so you don't have to worry about others being bothered by what you're listening to. However, blasting your music in very quiet environments like a library still isn't recommended.

Microphone
Microphone
Microphone Style
Integrated
Yes
In-Line
No
Boom
No
Detachable Boom
No
6.9
Microphone
Recording Quality
Recorded Speech
LFE
250.34 Hz
FR Std. Dev.
2.61 dB
HFE
6933.79 Hz
Weighted THD
2.227
Gain
-1.71 dB

The EarFun Free's integrated microphone's recording quality is passable. Recorded speech sounds muffled and lacks detail. It's still possible to understand what's being said, but the recording quality is quite poor.

5.9
Microphone
Noise Handling
Speech + Pink Noise
Speech + Subway Noise
SpNR
9.47 dB

The microphone's noise handling performance is sub-par. The mic struggles to separate ambient noise and actual recorded speech. This means that these headphones will only be suited for phone calls in a very quiet environment.

Active Features
6.1
Active Features
Battery
Battery Type
Rechargable
Continuous Battery Life
4.3 hrs
Additional Charges
4.0
Total Battery Life
21.5 hrs
Charge Time
1.3 hrs
Power-Saving Feature
Standby mode
Audio While Charging
No
Passive Playback
No
Charging Port USB-C

We measured just over 4 hours of continuous playback time on a single charge, which is slightly disappointing as they're advertised to offer 6 hours. On the upside, they have a standby mode after being idle for a few minutes. Also, the charging case holds about four additional charges, which is good.

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

The EarFun Free don't have any dedicated companion app for customization options.

Connectivity
6.6
Connectivity
Bluetooth
Bluetooth Version
5.0
Multi-Device Pairing
No
NFC Pairing
No
Line Of Sight Range
174 ft
PC Latency (SBC)
295 ms
PC Latency (aptX)
N/A
PC Latency (aptX HD)
N/A
PC Latency (aptX-LL)
N/A
iOS Latency
235 ms
Android Latency
293 ms

The EarFun Free are Bluetooth-only headphones. They have a good line of sight range, so you shouldn't have any issues, especially if you usually keep your source near you. However, they have very noticeable latency, meaning they won't be ideal for watching video content. On the upside, you might get better overall performance if your source also supports Bluetooth 5.0.

0
Connectivity
Non-Bluetooth Wireless
Non-BT Line Of Sight Range
N/A
Non-BT Latency
N/A

These headphones are Bluetooth-only.

0
Connectivity
Wired
Analog Audio
No
USB Audio
No
Detachable No
Length N/A
Connection No Wired Option
Analog/USB Audio Latency
N/A

As expected, these truly wireless headphones don't have an audio cable. They only come with a 1.6ft USB-C charging cable.

Connectivity
PC / PS4 Compatibility
PC/PS4 Analog
No
PC/PS4 Wired USB
No
PC/PS4 Non-BT Wireless
No

These headphones aren't compatible with a PS4 or a PC. However, they work with PCs that are Bluetooth-compatible.

Connectivity
Xbox One Compatibility
Xbox One Analog
No
Xbox One Wired USB
No
Xbox One Non-BT Wireless
No

These headphones can't be used with an Xbox One.

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

These headphones come with a charging case that serves as a charging station, which you can bring wherever you go. It also provides up to four additional full charges for the headphones, which is very useful.

Compared To Other Headphones

Comparison picture

The EarFun Free are good budget truly wireless headphones. They have a pretty good sound quality and are quite comfortable for cheap in-ears. However, their small size doesn't offer great noise isolation like more high-end headphones and they do feel a bit plasticky. See our recommendations for the best true wireless headphones, the best wireless Bluetooth earbuds, and the best earbuds for bass.

FIIL T1X True Wireless

The FIIL T1X True Wireless are better for commuting and traveling than the EarFun Free Truly Wireless. The FIIL are more comfortable, have better touch-sensitive controls, and have a more neutral sound profile. They also feel better built, they're able to isolate more noise, and their continuous battery life lasts longer too. They even have an app that offers 15 different EQ presets. However, the EarFun's integrated mic captures voices better and they leak less sound.

Anker SoundCore Liberty Lite Truly Wireless

The Anker SoundCore Liberty Lite Truly Wireless are slightly better-performing headphones than the EarFun Free Truly Wireless. Their isolation performance is great and they feel better built than the EarFun. They're also slightly more stable thanks to the stability fin sleeve options and they have a more neutral sound. On the other hand, the EarFun are slightly more comfortable due to their design and they offer more battery life.

SoundPeats TrueFree/True Wireless

The EarFun Free Truly Wireless and the SoundPeats TrueFree/True Wireless are two fairly similar budget truly wireless headphones. The SoundPeats feel a bit better built and more stable thanks to their very small bud design, and they also isolate better against ambient noise. Although both headphones have a bass-heavy sound profile, the EarFun are a bit better balanced and more neutral. They also have better battery life and charge via USB-C.

Samsung Galaxy Buds Truly Wireless

The Samsung Galaxy Buds Truly Wireless are way better truly wireless headphones than the EarFun Free Truly Wireless. They're more comfortable, better-built, more stable, and offer a more neutral sound quality, which you can easily EQ in their Android app. The Samsung fit also has a better isolation performance and they offer more battery life on a single charge, though the case only offers one additional charge. Other than price, there's no real reason to get the EarFun over the Samsung.

Mpow Flame Pro Truly Wireless

The Mpow Flame Pro Truly Wireless and the EarFun Free Truly Wireless are both very good pairs of headphones for sports. The Mpow are more comfortable, have better controls, are more stable in the ear, feel more premium, and have a much better battery. On the other hand, the EarFun have a better-balanced sound profile, block out more background noise, and are more portable.

JBL FreeX Truly Wireless

The JBL FreeX Truly Wireless are better headphones than the EarFun Free Truly Wireless. The JBL are more comfortable, better-built, have a better-balanced sound profile, and their fit isolates better against ambient noise. On the other hand, the EarFun are Bluetooth 5.0 and have a USB-C port, but that's about it.

Ylife True Wireless Earbuds

The EarFun Free Truly Wireless earbuds are slightly better than the Ylife True Wireless Earbuds. The EarFun perform better for neutral sound quality, and they're significantly better for treble accuracy. They also have better battery life, but the EarFun case doesn't hold as many charges as the Ylife's 18. The Ylife are also better for the office with significantly stronger noise isolation and have better leakage as well.

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