Scored using Headphones Methodology v1.0
Headphones Methodology v1.0
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Products in this category are scored under Frontum Headphones Methodology v1.0: technical specifications plus authentic consumer ratings, with 0% commercial bias.
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JLab Audio Flex Review | 93 Data compared

Avg. price:~ÂŁ60Form factor:open-earConnectivity:wirelessBattery life:7 hoursActive noise cancellation (ANC):yes

JLab Audio Flex Review: Compare 93 technical specifications and user reviews to see how this product ranks in the Headphones category and whether it is worth buying.

JLab Audio Flex
6.9/10

Overall score

Score
6.9/ 10
âś•
What it is
An overall evaluation of the headphones' quality, based on technical analyses and user reviews.
When it matters
When you need a quick reference to identify the best headphones on the market.
Score distribution
â–Ľ
<55-66-77-88-99-10
Score components

80%

6.6

Technical score

20%

8.4

User score

â–˛Better than 73% of headphones
7.9

Value for money

Value for money
7.9/ 10
âś•
What it is
An indicator that combines the headphones' overall rating with their cost.
When it matters
When you are looking for headphones that offer a strong balance of performance, features, and price.
Score distribution
â–Ľ
<55-66-77-88-99-10
Score components

70%

6.9

Overall score

30%

10

Price

â–˛Better than 75%
6.6

Technical score

Technical score
6.6/ 10
âś•
What it is
An assessment of technical performance for products in the Headphones category across these key areas: Sound, Calls & Controls, Connectivity, Features, Battery, Design.
When it matters
When you want to compare headphones based on technical performance and available features.
Score distribution
â–Ľ
<55-66-77-88-99-10
Score components

52%

6.4

Sound

20%

7.3

Features

10%

5.0

Design

8%

7.4

Connectivity

6%

5.0

Battery

4%

9.0

Calls & Controls

â–˛Better than 70%
8.4

User score

User score
8.4/ 10
âś•
What it is
A rating that combines user reviews and the total number of reviews received by the headphones.
When it matters
When you want to understand how headphones perform in real listening and how reliable they are in terms of comfort, audio quality, battery life, and long-term use.
Score distribution
â–Ľ
<55-66-77-88-99-10
Score components

70%

8.4

User ratings

30%

8.6

Number of reviews

Based on 3,192 buyer reviews from online shops.
How we calculate this
User ratings – average star rating across all shop listings, weighted by how many reviews each has, on a 1–10 scale.
Number of reviews – how many buyer reviews the product has, on a logarithmic scale; the 8% most-reviewed models in the category get 10.
â–˛Better than 81%
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Best prices
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Technical Specifications of pair of headphones JLab Audio Flex

Technical score
Technical score
6.6/ 10
âś•
What it is
An assessment of technical performance for products in the Headphones category across these key areas: Sound, Calls & Controls, Connectivity, Features, Battery, Design.
When it matters
When you want to compare headphones based on technical performance and available features.
Score distribution
â–Ľ
<55-66-77-88-99-10
Score components:

52%

6.4

Sound

20%

7.3

Features

10%

5.0

Design

8%

7.4

Connectivity

6%

5.0

Battery

4%

9.0

Calls & Controls

6.6
User score
User score
8.4/ 10
âś•
What it is
A rating that combines user reviews and the total number of reviews received by the headphones.
When it matters
When you want to understand how headphones perform in real listening and how reliable they are in terms of comfort, audio quality, battery life, and long-term use.
Score distribution
â–Ľ
<55-66-77-88-99-10
Score components

70%

8.4

User ratings

30%

8.6

Number of reviews

Based on 3,192 buyer reviews from online shops.
How we calculate this
User ratings – average star rating across all shop listings, weighted by how many reviews each has, on a 1–10 scale.
Number of reviews – how many buyer reviews the product has, on a logarithmic scale; the 8% most-reviewed models in the category get 10.
8.4
Popularity
Popularity
8.6/ 10
âś•
What it is
An indicator based on the number of reviews received by the headphones.
When it matters
When you prefer headphones that have already been chosen and reviewed by many other users.
Score distribution
â–Ľ
<55-66-77-88-99-10
Popularity:
JLab Audio Flex has a popularity score of 8.6 points, which is higher than that of 81.9% of products in this category.
8.6
Value for money
Value for money
7.9/ 10
âś•
What it is
An indicator that combines the headphones' overall rating with their cost.
When it matters
When you are looking for headphones that offer a strong balance of performance, features, and price.
Score distribution
â–Ľ
<55-66-77-88-99-10
Score components:

70%

6.9

Overall score

30%

10

Price

7.9
Active noise cancellation (ANC)
yes
This pair of headphones supports active noise cancellation. 72.6% of headphones support active noise cancellation.
Driver type
dynamic
Driver size
12 mm
This pair of headphones uses a driver size of 12 mm, smaller driver size than 86.5% of headphones and equal to 0.5% of headphones.
Number of drivers
1
This pair of headphones uses 1 drivers, fewer drivers than 4% of headphones and equal to 96% of headphones.
Lowest frequency
20 Hz
This pair of headphones reaches a lowest frequency of 20 Hz, higher lowest frequency than 50.8% of headphones and equal to 47.3% of headphones.
Show more
Noise-canceling microphone
yes
This pair of headphones supports a noise-canceling microphone. 61.1% of headphones support noise-canceling microphones.
Can be used as a headset
yes
This pair of headphones is headset-ready, 84.8% is not. 15.2% of headphones can be used as headsets.
Number of microphones
4
This pair of headphones has 4 microphones, more microphones than 88% of headphones and equal to 5.1% of headphones.
Boom microphone
no
This pair of headphones does not include a boom microphone. 13.5% of headphones have a boom microphone.
Microphone SNR
?
Show more
Connectivity
wireless
This pair of headphones supports wireless connectivity, more flexible connectivity than 50.8% of headphones and equal to 49.2% of headphones.
Bluetooth version
5.4
This pair of headphones uses Bluetooth version 5.4, newer Bluetooth version than 95.2% of headphones and equal to 4.1% of headphones.
Maximum Bluetooth range
10 m
This pair of headphones offers a Bluetooth range of 10 m, higher Bluetooth range than 2.7% of headphones and equal to 80.6% of headphones.
Audio latency
40 ms
This pair of headphones has audio latency of 40 ms, lower audio latency than 77.2% of headphones and equal to 14.6% of headphones.
Multipoint support
yes
This pair of headphones supports multipoint. 69.4% of headphones support multipoint.
Show more
Ambient sound mode
yes
This pair of headphones supports ambient sound mode. 75.2% of headphones support ambient sound mode.
EQ support
yes
This pair of headphones supports EQ customization. 76.8% of headphones support EQ.
Companion app
yes
This pair of headphones works with a companion app. 78.4% of headphones support companion apps.
Adjustable ANC levels
N/A
Voice assistant support
yes
This pair of headphones supports voice assistants. 39.2% of headphones support voice assistants.
Show more
Battery life
7 hours
This pair of headphones offers battery life of 7 hours, lower battery life than 97.8% of headphones and equal to 0.5% of headphones.
Battery life with ANC
10 hours
This pair of headphones offers battery life with ANC of 10 hours, lower battery life with ANC than 95.4% of headphones and equal to 1.2% of headphones.
Charging time
2 hours
This pair of headphones needs 2 hours to charge, lower charging time than 47.8% of headphones and equal to 39% of headphones.
Quick charge
yes
This pair of headphones supports quick charge. 67% of headphones support quick charge.
Battery capacity
70 mAh
This pair of headphones has a battery capacity of 70 mAh, lower battery capacity than 99.4% of headphones.
Show more
Brand name
JLab
Form factor
open-ear
Weight
191 g
This pair of headphones weighs 191 g, lighter than 58.8% of headphones and equal to 0.2% of headphones.
Acoustic design
open-back
Clamp force
N/A
Show more

JLab Audio Flex vs the average pair of headphones

246810TotalDesignSoundBatteryConnectivityCalls & ControlsFeatures
  • Active noise cancellation
    This pair of headphones supports active noise cancellation, the average pair of headphones does not. 27.5% of headphones support active noise cancellation.
  • Ambient sound mode
    This pair of headphones supports ambient sound mode, the average pair of headphones does not. 24.9% of headphones support ambient sound mode.
  • EQ customization
    This pair of headphones supports EQ customization, the average pair of headphones does not. 23.2% of headphones support EQ.
  • Companion app support
    This pair of headphones works with a companion app, the average pair of headphones does not. 21.6% of headphones support companion apps.
  • Multipoint support
    This pair of headphones supports multipoint, the average pair of headphones does not. 30.6% of headphones support multipoint.
  • 110 ms lower audio latency
    This pair of headphones has a lower audio latency than the average pair of headphones (40 ms vs 150 ms). The average headphones have audio latency of 150 ms.
    40 ms vs 150 ms
  • More flexible connectivity
    This pair of headphones offers more flexible connectivity than the average pair of headphones (wireless vs wired). The average headphones support wired connectivity.
    wireless vs wired
  • 8 dB/mW higher sensitivity
    This pair of headphones has a higher sensitivity than the average pair of headphones (110 dB/mW vs 102 dB/mW). The average headphones have sensitivity of 102 dB/mW.
    110 dB/mW vs 102 dB/mW
  • 5.6% higher user score
    User score
    8.4/ 10
    âś•
    What it is
    A rating that combines user reviews and the total number of reviews received by the headphones.
    When it matters
    When you want to understand how headphones perform in real listening and how reliable they are in terms of comfort, audio quality, battery life, and long-term use.
    Score distribution
    â–Ľ
    â–Ľ
    <55-66-77-88-99-10
    JLab Audio Flex
    the average pair of headphones
    JLab Audio Flex has a higher user score than the average pair of headphones (8.45 vs 8.000).
    8.45 vs 8
  • 45.8% more popular
    JLab Audio Flex is more popular than the average pair of headphones (8.55 vs 5.9).
    8.55 vs 5.87
  • Water resistance
    This pair of headphones is water resistant, the average pair of headphones is not. 20.2% of headphones are water resistant.
  • 12.4% lower weight
    This pair of headphones is lighter than the average pair of headphones (191 g vs 218 g). The average pair of headphones weighs 218 g.
    191 g vs 218 g
  • 0.32 m longer cable length
    This pair of headphones offers a more useful cable length than the average pair of headphones (1.5 m vs 1.2 m). The average headphones have a cable length of 1.2 m.
    1.52 m vs 1.2 m
  • Active noise cancellation
    This pair of headphones supports active noise cancellation, the average pair of headphones does not. 27.5% of headphones support active noise cancellation.
  • 8 dB/mW higher sensitivity
    This pair of headphones has a higher sensitivity than the average pair of headphones (110 dB/mW vs 102 dB/mW). The average headphones have sensitivity of 102 dB/mW.
    110 dB/mW vs 102 dB/mW
  • Quick charge support
    This pair of headphones supports quick charge, the average pair of headphones does not. 33% of headphones support quick charge.
  • USB-C charging
    This pair of headphones uses USB-C charging, the average pair of headphones does not. 29.5% of headphones use USB Type-C.
  • Wireless charging support
    This pair of headphones supports wireless charging, the average pair of headphones does not. 3.9% of headphones support wireless charging.
  • Rechargeable battery
    This pair of headphones has a rechargeable battery, the average pair of headphones does not. 47.9% of headphones have a rechargeable battery.
  • Multipoint support
    This pair of headphones supports multipoint, the average pair of headphones does not. 30.6% of headphones support multipoint.
  • 110 ms lower audio latency
    This pair of headphones has a lower audio latency than the average pair of headphones (40 ms vs 150 ms). The average headphones have audio latency of 150 ms.
    40 ms vs 150 ms
  • More flexible connectivity
    This pair of headphones offers more flexible connectivity than the average pair of headphones (wireless vs wired). The average headphones support wired connectivity.
    wireless vs wired
  • LE Audio support
    This pair of headphones supports LE Audio, the average pair of headphones does not. 11.6% of headphones support Bluetooth LE Audio.
  • AAC codec support
    This pair of headphones supports AAC, the average pair of headphones does not. 32.2% of headphones support AAC.
  • Fast pairing support
    This pair of headphones supports fast pairing, the average pair of headphones does not. 14% of headphones support fast pairing.
  • Multipoint connections
    This pair of headphones supports multipoint connections, while the average pair of headphones does not. 30.2% of headphones support multipoint connections.
    supports multipoint for up to 2 devices.
  • Clear call microphone
    This pair of headphones offers a clear call microphone, while the average pair of headphones does not. 39% of headphones support noise-canceling microphones.
  • On-device controls
    This pair of headphones includes on-device controls, the average pair of headphones does not. 46.8% of headphones support on-device controls.
  • 3 more microphones
    This pair of headphones has more microphones than the average pair of headphones (4 vs 1). The average headphones have 1 microphones.
    4 vs 1
  • Wind noise reduction
    This pair of headphones reduces wind noise, the average pair of headphones does not. 34.3% of headphones support wind noise reduction.
  • Sidetone support
    This pair of headphones supports sidetone, the average pair of headphones does not. 25.3% of headphones support sidetone.
  • Quick mic mute
    This pair of headphones includes a quick mic mute, the average pair of headphones does not. 29.3% of headphones support a mute function.
  • Ambient sound mode
    This pair of headphones supports ambient sound mode, the average pair of headphones does not. 24.9% of headphones support ambient sound mode.
  • EQ customization
    This pair of headphones supports EQ customization, the average pair of headphones does not. 23.2% of headphones support EQ.
  • Companion app support
    This pair of headphones works with a companion app, the average pair of headphones does not. 21.6% of headphones support companion apps.
  • Find-my-headphones feature
    This pair of headphones supports find-my-headphones features, the average pair of headphones does not. 8.7% of headphones support Find My Headphones.
  • No passive noise reduction
    This pair of headphones does not offer passive noise reduction, while the average pair of headphones does. 82.6% of headphones have passive noise reduction.
  • 28 mm smaller driver size
    This pair of headphones has smaller driver size than the average pair of headphones (12 mm vs 40 mm). The average headphones use a driver size of 40 mm.
    12 mm vs 40 mm
  • Non-replaceable earpads
    This pair of headphones has non-replaceable earpads, while the average pair of headphones has replaceable ones. 75.6% of headphones have replaceable earpads.
  • Fixed cable
    This pair of headphones has a fixed cable, while the average pair of headphones has a detachable one. 62% of headphones have a detachable cable.
  • 23 hours shorter battery life
    This pair of headphones has a lower battery life than the average pair of headphones (7 hours vs 30 hours). The average headphones offer battery life of 30 hours.
    7 hours vs 30 hours
  • 0.7 % higher distortion
    This pair of headphones has a higher total harmonic distortion than the average pair of headphones (1 % vs 0.3 %). The average headphones have total harmonic distortion of 0.3 %.
    1.0 % vs 0.3 %
  • 20 hours shorter ANC battery life
    This pair of headphones has a lower battery life with ANC than the average pair of headphones (10 hours vs 30 hours). The average headphones offer battery life with ANC of 30 hours.
    10 hours vs 30 hours
  • 87.9% lower battery capacity
    This pair of headphones has a lower battery capacity than the average pair of headphones (70 mAh vs 580 mAh). The average headphones have a battery capacity of 580 mAh.
    70 mAh vs 580 mAh
  • Non-replaceable earpads
    This pair of headphones has non-replaceable earpads, while the average pair of headphones has replaceable ones. 75.6% of headphones have replaceable earpads.
  • Fixed cable
    This pair of headphones has a fixed cable, while the average pair of headphones has a detachable one. 62% of headphones have a detachable cable.
  • No passive noise reduction
    This pair of headphones does not offer passive noise reduction, while the average pair of headphones does. 82.6% of headphones have passive noise reduction.
  • 28 mm smaller driver size
    This pair of headphones has smaller driver size than the average pair of headphones (12 mm vs 40 mm). The average headphones use a driver size of 40 mm.
    12 mm vs 40 mm
  • 0.7 % higher distortion
    This pair of headphones has a higher total harmonic distortion than the average pair of headphones (1 % vs 0.3 %). The average headphones have total harmonic distortion of 0.3 %.
    1.0 % vs 0.3 %
  • 2 Hz weaker bass extension
    This pair of headphones has a higher lowest frequency than the average pair of headphones (20 Hz vs 18 Hz). The average headphones reach a lowest frequency of 18 Hz.
    20 Hz vs 18 Hz
  • 23 hours shorter battery life
    This pair of headphones has a lower battery life than the average pair of headphones (7 hours vs 30 hours). The average headphones offer battery life of 30 hours.
    7 hours vs 30 hours
  • 20 hours shorter ANC battery life
    This pair of headphones has a lower battery life with ANC than the average pair of headphones (10 hours vs 30 hours). The average headphones offer battery life with ANC of 30 hours.
    10 hours vs 30 hours
  • 87.9% lower battery capacity
    This pair of headphones has a lower battery capacity than the average pair of headphones (70 mAh vs 580 mAh). The average headphones have a battery capacity of 580 mAh.
    70 mAh vs 580 mAh

Video reviews

Hands-on testing, unboxing, and real-world video evaluations

Expert reviews

In-depth analysis and verdict from leading tech publications

T
the-gadgeteer.com
07/12/2016
Summary of the review
J
justjon.net
29/11/2016
Summary of the review
H
headphonecheck.com
14/02/2025
Summary of the review
H
headphonereview.com
10/12/2016
Summary of the review
P
pcmag.com
05/01/2017
Summary of the review
P
pcmag.com
10/12/2018
Summary of the review
W
wired.com
09/11/2018
Summary of the review
U
uk.pcmag.com
06/11/2015
Summary of the review
P
pcmag.com
06/11/2015
Summary of the review
T
techgage.com
11/11/2016
Summary of the review
K
kopfhoerer.de
07/02/2025
Summary of the review
H
hardwareinside.de
14/12/2024
Summary of the review
S
stereo.de
14/02/2025
Summary of the review
H
headphonecheck.com
14/02/2025
Summary of the review
P
protegez-vous.ca
14/01/2026
Summary of the review
N
nl.mashable.com
28/07/2025
Summary of the review
G
global.techradar.com
01/12/2025
Summary of the review

Third-party reviews

Based on 3,192 buyer reviews from online shops.
Reviews last updated: June 2026 · How we calculate this

What we like about JLab Audio Flex

  • Innovative open-ear design provides excellent situational awareness for outdoor activities like running or cycling.
  • Highly comfortable and lightweight 'clip-on' style that avoids the ear canal pressure typical of traditional earbuds.
  • Strong battery life, frequently reaching up to 7 hours per charge with an additional 14+ hours from the case.
  • Bluetooth Multipoint support allows seamless switching between two devices, such as a phone and a laptop.
  • Customizable sound profiles and touch controls via the user-friendly JLab App.
  • Very affordable price point, often cited as a budget-friendly alternative to high-end open-ear brands like Bose.

What we don't like about JLab Audio Flex

  • Underwhelming bass performance due to the open-air design, which lacks a tight seal for low-end frequencies.
  • Maximum volume levels can be too low for noisy environments or for users who prefer loud music.
  • Clip-on fit may cause 'hotspots' or physical discomfort/soreness after several hours of continuous wear for some ear shapes.
  • Touch controls are located behind the ear and can be inconsistent or non-responsive at times.
  • Open design leads to noticeable sound leakage, meaning others nearby can often hear your audio at higher volumes.
  • Occasional connectivity issues reported, such as spotty signals when the phone is in a pocket.

Verdict

The JLab Flex is a versatile open-ear audio solution featuring a unique clip-on cuff design and 12mm dynamic drivers that deliver a personalised listening experience through the JLab app. These lightweight 12-gram earbuds provide 7+ hours of individual playtime with a total of 21 hours including the charging case, and they support Bluetooth 5.4 with multipoint pairing for connecting two devices simultaneously. Main characteristics include an IPX4 splashproof rating, customizable touch controls, and dual noise-cancelling microphones for clear calls. Major pros are the secure fatigue-free fit that maintains environmental awareness and the inclusion of JLab's EQ3 Sound with a low-frequency bass boost algorithm. However, notable cons include a potential lack of volume in loud environments and a sound profile that may feel less immersive or 'muffled' compared to traditional sealed in-ear or over-ear models.

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