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ALTERNATIVES

Fiil Key Max Review | 93 Data compared

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  • Avg. price in UK: ~£70
  • Avg. price in US: ~$50
  • Form factor: over-ear
  • Connectivity: wireless
  • Battery life: 80 hours
  • Active noise cancellation (ANC): yes

Fiil Key Max review. Compare 93 technical specifications and user reviews to see how it ranks among headphones and if it is worth buying.

7.4

Overall score

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 components:

80.0%

8.0

Technical Score

20.0%

5.3

User score

Very good
8.0

Technical Score

What it is: An assessment of the headphones' technical performance, covering key areas such as sound quality, noise cancelling, microphone performance, battery life, comfort, connectivity, features, and build quality.

When it matters: When you want to compare headphones based on technical performance and available features.

Score components:

52.0%

8.7

Sound

20.0%

7.3

Features

10.0%

6.9

Design

8.0%

5.8

Connectivity

6.0%

9.2

Battery

4.0%

6.9

Calls & Controls

Excellent
5.3

User score

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 components:

70.0%

6.8

User reviews

30.0%

1.8

Popularity

User score:
United Kingdom
amazon
3.4
(10)
United States
Amazon_logo.png
3.4
(10)

(Reviews last updated: Jun 2026)

Good
  • 9.1
    Gaming

    Score components:

    35.0%

    7.4

    Audio latency

    25.0%

    10

    Low-latency game mode

    20.0%

    10

    Can be used as a headset

    12.0%

    10

    Noise-canceling microphone

    8.0%

    10

    Battery life

  • 9.0
    Travel

    Score components:

    28.0%

    10

    Active noise cancellation (ANC)

    24.0%

    10

    Battery life

    18.0%

    4.4

    Weight

    16.0%

    10

    Multipoint support

    14.0%

    10

    Ambient sound mode

  • 10
    Calls

    Score components:

    28.0%

    10

    Noise-canceling microphone

    24.0%

    10

    Can be used as a headset

    18.0%

    10

    Multipoint support

    16.0%

    10

    Battery life

    14.0%

    10

    Companion app

  • 7.2
    Workout

    Score components:

    28.0%

    4.4

    Weight

    24.0%

    10

    Water resistance

    20.0%

    4.0

    IP rating

    16.0%

    10

    Battery life

    12.0%

    10

    Can be used as a headset

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Best prices in UK

Best rankings

?

Available: ranking among products currently available (including other versions of this product).
All: ranking among all products in the database.

Verdict

The FIIL Key Max is a high-performance over-ear wireless headset featuring 40mm extra-large dynamic drivers and advanced Bluetooth 5.4 for stable multipoint connectivity. It offers impressive technical specs, including a broad frequency response of 15Hz to 22kHz (reaching 40kHz in wired Type-C mode) and support for the high-resolution LDAC codec. Key highlights include adaptive hybrid active noise cancellation (ANC) capable of reducing ambient noise by up to 48dB and an exceptional battery life of up to 80 hours per charge. Its main pros are the massive playback time, dual-mic AI ENC for clear calls, and highly customizable sound through the fiil+ app. However, some users have noted a lack of on-ear wear detection and the absence of a dedicated travel bag as potential cons.

Technical Specifications of Fiil Key Max

Technical Score

What it is: An assessment of the headphones' technical performance, covering key areas such as sound quality, noise cancelling, microphone performance, battery life, comfort, connectivity, features, and build quality.

When it matters: When you want to compare headphones based on technical performance and available features.

Score components:

52.0%

8.7

Sound

20.0%

7.3

Features

10.0%

6.9

Design

8.0%

5.8

Connectivity

6.0%

9.2

Battery

4.0%

6.9

Calls & Controls

8.0
Fiil Key Max has a technical score of 7.97 points, which is higher than that of 93.6% of products in this category.
User score

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 components:

70.0%

6.8

User reviews

30.0%

1.8

Popularity

User score:
United Kingdom
amazon
3.4
(10)
United States
Amazon_logo.png
3.4
(10)

(Reviews last updated: Jun 2026)

5.3
Fiil Key Max has a user score of 5.3 points, which is lower than that of 98% of products in this category.
Popularity
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.
1.8
Fiil Key Max has a popularity of 1.8 points, which is lower than 68.3% of products in this category.
Ratio quality/price

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 components:

60.0%

7.4

Overall score

40.0%

10

Price

8.2
Fiil Key Max has a quality-to-price ratio of 8.2 points, which is higher than 89.1% of products in this category.
Active noise cancellation (ANC)
What it is: Reduces background noise using active technology
When it matters: When blocking office, travel, or aircraft noise is a priority.

Importance: HIGH

yes
Fiil Key Max supports active noise cancellation. 72.6% of headphones support active noise cancellation.
Driver type
What it is: Type of speaker driver technology used
When it matters: When the underlying sound character and driver technology matter to you.

Importance: MEDIUM

dynamic
Driver size
What it is: Diameter of the speaker driver unit
When it matters: When you want extra hardware context behind how the headphones may handle bass weight, scale, or overall presentation.

Importance: MEDIUM

40 mm
Fiil Key Max uses a driver size of 40 mm, larger driver size than 28.2% of headphones and equal to 53.6% of headphones.
Number of drivers
What it is: Total number of speaker drivers per earcup
When it matters: When multi-driver designs are part of your buying criteria.

Importance: LOW

1
Fiil Key Max uses 1 drivers, equal to 96% of headphones.
Lowest frequency
What it is: Lowest audio frequency the headphones can reproduce
When it matters: When deeper bass extension matters for your music or movie listening.

Importance: MEDIUM

Good value: <=10 Hz

15 Hz
Fiil Key Max reaches a lowest frequency of 15 Hz, lower lowest frequency than 58.5% of headphones and equal to 5.7% of headphones.
Show more
Noise-canceling microphone
What it is: Built-in microphone reduces background noise during calls
When it matters: When you take calls in busy spaces and want your voice to stay clearer.

Importance: MEDIUM

yes
Fiil Key Max supports a noise-canceling microphone. 54.5% of headphones support noise-canceling microphones.
Can be used as a headset
What it is: Shows whether the headphones can handle voice chat and calls in addition to normal audio playback.
When it matters: When one pair needs to cover music, calls, meetings, and gaming chat.

Importance: MEDIUM

yes
Fiil Key Max is headset-ready, 84.7% is not. 15.3% of headphones can be used as headsets.
Number of microphones
What it is: Total number of built-in microphones
When it matters: When call pickup quality and beamforming support matter to you.

Importance: LOW

Good value: >=2

2
Fiil Key Max has 2 microphones, more microphones than 78.2% of headphones and equal to 8.8% of headphones.
Boom microphone
What it is: Includes detachable boom microphone for voice clarity
When it matters: When you need stronger voice clarity for gaming, streaming, or work calls.

Importance: LOW

no
Fiil Key Max does not include a boom microphone. 15.6% of headphones have a boom microphone.
Microphone SNR
What it is: Signal-to-noise ratio of the microphone
When it matters: When call clarity matters and you want your voice picked up more cleanly instead of buried in background hiss.

Importance: LOW

Good value: >80 dB

?
Show more
Connectivity
What it is: Available connection methods (wired, wireless, Bluetooth, etc.)
When it matters: When the headphones need to match how you listen across wired and wireless devices.

Importance: HIGH

wireless
Fiil Key Max supports wireless connectivity, more flexible connectivity than 52.6% of headphones and equal to 47.4% of headphones.
supports both wireless and wired connectivity.
Bluetooth version
What it is: Version of Bluetooth technology supported
When it matters: When wireless stability, efficiency, and feature support matter more than treating Bluetooth as a box-check spec.

Importance: MEDIUM

Good value: >=5.0

5.4
Fiil Key Max uses Bluetooth version 5.4, newer Bluetooth version than 95.2% of headphones and equal to 4.2% of headphones.
Maximum Bluetooth range
What it is: Maximum wireless operating distance from source device
When it matters: When you move around rooms and want fewer dropouts from your source device.

Importance: LOW

Good value: >=10 m

10 m
Fiil Key Max offers a Bluetooth range of 10 m, higher Bluetooth range than 2.6% of headphones and equal to 79.9% of headphones.
Audio latency
What it is: Delay between audio and video in wireless mode
When it matters: When you watch video or play games and need sound to stay in sync.

Importance: HIGH

Good value: <60 ms

100 ms
Fiil Key Max has audio latency of 100 ms, lower audio latency than 51.9% of headphones and equal to 1.4% of headphones.
Multipoint support
What it is: Supports simultaneous connections to multiple devices
When it matters: When you switch often between a phone and a laptop during the day.

Importance: MEDIUM

yes
Fiil Key Max supports multipoint. 35% of headphones support multipoint.
Show more
Ambient sound mode
What it is: Allows external sounds to pass through for awareness
When it matters: When you need to stay aware of traffic, voices, or announcements.

Importance: MEDIUM

yes
Fiil Key Max supports ambient sound mode. 23.2% of headphones support ambient sound mode.
EQ support
What it is: Allows customization of sound profile via equalizer
When it matters: When the stock tuning is not enough and you want to shape bass, mids, or treble to match your taste.

Importance: MEDIUM

yes
Fiil Key Max supports EQ customization. 76.8% of headphones support EQ.
Companion app
What it is: Dedicated mobile app for customization and updates
When it matters: When software customization, updates, and extra controls matter.

Importance: MEDIUM

yes
Fiil Key Max works with a companion app. 55.7% of headphones support companion apps.
Adjustable ANC levels
What it is: Allows adjustment of noise cancellation intensity levels
When it matters: When you move between quiet rooms, offices, streets, and public transport and do not want one ANC setting for every situation.

Importance: LOW

Good value: >=4

?
Voice assistant support
What it is: Compatible with voice assistants like Siri, Alexa, or Google Assistant
When it matters: When hands-free control is part of your daily routine.

Importance: LOW

yes
Fiil Key Max supports voice assistants. 39.2% of headphones support voice assistants.
Show more
Battery life
What it is: Playback time on a single charge
When it matters: When you commute, travel, or work long shifts and do not want charging breaks to interrupt listening.

Importance: HIGH

Good value: >45 hours

80 hours
Fiil Key Max offers battery life of 80 hours, higher battery life than 92% of headphones and equal to 2.5% of headphones.
Battery life with ANC
What it is: Playback time with active noise cancellation enabled
When it matters: When you plan to keep noise cancellation on for most of the day.

Importance: HIGH

Good value: >40 hours

80 hours
Fiil Key Max offers battery life with ANC of 80 hours, higher battery life with ANC than 98.8% of headphones and equal to 0.6% of headphones.
Charging time
What it is: Time required for a full battery charge
When it matters: When you often need the headphones ready again after short breaks.

Importance: MEDIUM

Good value: <=2 hours

?
Quick charge
What it is: Provides quick playback time with short charging period
When it matters: When a short top-up needs to deliver useful playback before you leave.

Importance: MEDIUM

yes
Fiil Key Max supports quick charge. 31% of headphones support quick charge.
Battery capacity
What it is: Total energy storage of the internal battery
When it matters: When you are estimating how much battery headroom the design may have before relying only on the official runtime claim.

Importance: MEDIUM

Good value: >=720 mAh

?
Show more
Brand name
What it is: The manufacturer or brand of the product.
When it matters: When you prefer a specific ecosystem, support network, or design philosophy.

Importance: MEDIUM

Fiil
Form factor
What it is: Overall design type of the headphones (over-ear, on-ear, in-ear, etc.)
When it matters: When comfort, portability, and isolation depend on the overall headphone style.

Importance: HIGH

over-ear
Weight
What it is: Total weight of the headphones
When it matters: When long listening sessions make wearing comfort more important.

Importance: MEDIUM

Good value: <150 g

250 g
Fiil Key Max weighs 250 g, heavier than 61.3% of headphones and equal to 1.5% of headphones.
Acoustic design
What it is: Type of acoustic design (open-back, closed-back, semi-open)
When it matters: When you need the right balance of isolation, leakage, and soundstage.

Importance: HIGH

closed-back
Clamp force
What it is: Amount of clamping pressure applied to the head
When it matters: When comfort and fit security matter during long sessions.

Importance: MEDIUM

5
Fiil Key Max has a clamp force of 5, higher clamp force than 68.5% of headphones and equal to 2.2% of headphones.
Show more

Fiil Key Max vs the average headphone

  • Active noise cancellation
    Fiil Key Max supports active noise cancellation, the average headphone does not. 27.4% of headphones support active noise cancellation.
    What it is: Reduces background noise using active technology
    When it matters: When blocking office, travel, or aircraft noise is a priority.

    Importance: HIGH

    Fiil Key Max supports active noise cancellation, the average headphone does not. 27.4% of headphones support active noise cancellation.
  • Hi-Res Audio certification
    Fiil Key Max has Hi-Res Audio certification, the average headphone does not. 22.9% of headphones are Hi-Res Audio certified.
    What it is: Certified for high-resolution audio playback
    When it matters: When official support for high-resolution playback matters to you.

    Importance: LOW

    Fiil Key Max has Hi-Res Audio certification, the average headphone does not. 22.9% of headphones are Hi-Res Audio certified.
  • EQ customization
    Fiil Key Max supports EQ customization, the average headphone does not. 23.3% of headphones support EQ.
    What it is: Allows customization of sound profile via equalizer
    When it matters: When the stock tuning is not enough and you want to shape bass, mids, or treble to match your taste.

    Importance: MEDIUM

    Fiil Key Max supports EQ customization, the average headphone does not. 23.3% of headphones support EQ.
  • 50 hours longer ANC battery life
    Fiil Key Max has a higher battery life with ANC than the average headphone (80 hours vs 30 hours). The average headphones offer battery life with ANC of 30 hours.
    What it is: Playback time with active noise cancellation enabled
    When it matters: When you plan to keep noise cancellation on for most of the day.

    Importance: HIGH

    Good value: >40 hours

    Fiil Key Max has a higher battery life with ANC than the average headphone (80 hours vs 30 hours). The average headphones offer battery life with ANC of 30 hours.80 hours vs 30 hours
  • 50 hours longer battery life
    Fiil Key Max has a higher battery life than the average headphone (80 hours vs 30 hours). The average headphones offer battery life of 30 hours.
    What it is: Playback time on a single charge
    When it matters: When you commute, travel, or work long shifts and do not want charging breaks to interrupt listening.

    Importance: HIGH

    Good value: >45 hours

    Fiil Key Max has a higher battery life than the average headphone (80 hours vs 30 hours). The average headphones offer battery life of 30 hours.80 hours vs 30 hours
  • 13 dB/mW higher sensitivity
    Fiil Key Max has a higher sensitivity than the average headphone (115 dB/mW vs 102 dB/mW). The average headphones have sensitivity of 102 dB/mW.
    What it is: Sound pressure output level per unit of input power
    When it matters: When you plan to use weaker sources like phones, handhelds, or entry-level dongles and still want enough volume.

    Importance: MEDIUM

    Good value: >=106 dB/mW

    Fiil Key Max has a higher sensitivity than the average headphone (115 dB/mW vs 102 dB/mW). The average headphones have sensitivity of 102 dB/mW.115 dB/mW vs 102 dB/mW
  • More flexible connectivity
    Fiil Key Max offers more flexible connectivity than the average headphone (wireless vs wired). The average headphones support wired connectivity.
    supports both wireless and wired connectivity.
    What it is: Available connection methods (wired, wireless, Bluetooth, etc.)
    When it matters: When the headphones need to match how you listen across wired and wireless devices.

    Importance: HIGH

    Fiil Key Max offers more flexible connectivity than the average headphone (wireless vs wired). The average headphones support wired connectivity.wireless vs wired
  • Clear call microphone
    Fiil Key Max offers a clear call microphone, while the average headphone does not. 45.6% of headphones support noise-canceling microphones.
    What it is: Built-in microphone reduces background noise during calls
    When it matters: When you take calls in busy spaces and want your voice to stay clearer.

    Importance: MEDIUM

    Fiil Key Max offers a clear call microphone, while the average headphone does not. 45.6% of headphones support noise-canceling microphones.
  • Foldable design
    Fiil Key Max has a foldable design, the average headphone does not. 61% of headphones are foldable.
  • Water resistance
    Fiil Key Max is water resistant, the average headphone is not. 20.2% of headphones are water resistant.
  • Active noise cancellation
    Fiil Key Max supports active noise cancellation, the average headphone does not. 27.4% of headphones support active noise cancellation.
  • Hi-Res Audio certification
    Fiil Key Max has Hi-Res Audio certification, the average headphone does not. 22.9% of headphones are Hi-Res Audio certified.
  • 13 dB/mW higher sensitivity
    Fiil Key Max has a higher sensitivity than the average headphone (115 dB/mW vs 102 dB/mW). The average headphones have sensitivity of 102 dB/mW.
  • 3 Hz lower bass extension
    Fiil Key Max has a lower lowest frequency than the average headphone (15 Hz vs 18 Hz). The average headphones reach a lowest frequency of 18 Hz.
  • 2,000 Hz higher treble extension
    Fiil Key Max has a higher highest frequency than the average headphone (22,000 Hz vs 20,000 Hz). The average headphones reach a highest frequency of 20,000 Hz.
  • 12 dB SPL higher sound pressure level
    Fiil Key Max has a higher sound pressure level than the average headphone (115 dB SPL vs 103 dB SPL). The average headphones reach a sound pressure level of 103 dB SPL.
  • 50 hours longer ANC battery life
    Fiil Key Max has a higher battery life with ANC than the average headphone (80 hours vs 30 hours). The average headphones offer battery life with ANC of 30 hours.
  • 50 hours longer battery life
    Fiil Key Max has a higher battery life than the average headphone (80 hours vs 30 hours). The average headphones offer battery life of 30 hours.
  • USB-C charging
    Fiil Key Max uses USB-C charging, the average headphone does not. 29.4% of headphones use USB Type-C.
  • Rechargeable battery
    Fiil Key Max has a rechargeable battery, the average headphone does not. 47.9% of headphones have a rechargeable battery.
  • More flexible connectivity
    Fiil Key Max offers more flexible connectivity than the average headphone (wireless vs wired). The average headphones support wired connectivity.
  • Clear call microphone
    Fiil Key Max offers a clear call microphone, while the average headphone does not. 45.6% of headphones support noise-canceling microphones.
  • Wind noise reduction
    Fiil Key Max reduces wind noise, the average headphone does not. 34.1% of headphones support wind noise reduction.
  • 1 more microphones
    Fiil Key Max has more microphones than the average headphone (2 vs 1). The average headphones have 1 microphones.
  • Quick mic mute
    Fiil Key Max includes a quick mic mute, the average headphone does not. 33.5% of headphones support a mute function.
  • EQ customization
    Fiil Key Max supports EQ customization, the average headphone does not. 23.3% of headphones support EQ.
  • 7 newer release date
    Fiil Key Max was released more recently than the average headphone (2,024 vs 2,017). The average headphones were released in 2,017.

Total
Overall
Design
Sound
Battery
Connectivity
Calls & Controls
Features
  • 14.7% higher weight
    Fiil Key Max is heavier than the average headphone (250 g vs 218 g). The average pair of headphones weighs 218 g.
  • No travel bag
    Fiil Key Max does not include a travel bag, the average headphone does. 65.2% of headphones include a travel bag.
  • 0.7 higher clamp force
    Fiil Key Max has a higher clamp force than the average headphone (5 vs 4.3). The average headphones have a clamp force of 4.3.
  • 2.7 % higher distortion
    Fiil Key Max has a higher total harmonic distortion than the average headphone (3 % vs 0.3 %). The average headphones have total harmonic distortion of 0.3 %.
  • 95% lower input power handling
    Fiil Key Max has a lower max input power than the average headphone (5 mW vs 100 mW). The average headphones handle max input power of 100 mW.
  • 2.7 % higher distortion
    Fiil Key Max has a higher total harmonic distortion than the average headphone (3 % vs 0.3 %). The average headphones have total harmonic distortion of 0.3 %.
    What it is: Percentage of harmonic distortion in audio output
    When it matters: When cleaner sound reproduction matters at louder volumes.

    Importance: LOW

    Good value: <=1%

    Fiil Key Max has a higher total harmonic distortion than the average headphone (3 % vs 0.3 %). The average headphones have total harmonic distortion of 0.3 %.3 % vs 0.3 %
  • 14.7% higher weight
    Fiil Key Max is heavier than the average headphone (250 g vs 218 g). The average pair of headphones weighs 218 g.
    What it is: Total weight of the headphones
    When it matters: When long listening sessions make wearing comfort more important.

    Importance: MEDIUM

    Good value: <150 g

    Fiil Key Max is heavier than the average headphone (250 g vs 218 g). The average pair of headphones weighs 218 g.250 g vs 218 g
  • 50.9% lower user score
    Fiil Key Max has a lower user score than the average headphone (5.30 vs 8.000).
    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.
    Fiil Key Max has a lower user score than the average headphone (5.30 vs 8.000).5.3 vs 8
  • No travel bag
    Fiil Key Max does not include a travel bag, the average headphone does. 65.2% of headphones include a travel bag.
    What it is: Comes with a protective carrying case or pouch
    When it matters: When protection in transit matters right out of the box.

    Importance: LOW

    Fiil Key Max does not include a travel bag, the average headphone does. 65.2% of headphones include a travel bag.
  • 0.7 higher clamp force
    Fiil Key Max has a higher clamp force than the average headphone (5 vs 4.3). The average headphones have a clamp force of 4.3.
    What it is: Amount of clamping pressure applied to the head
    When it matters: When comfort and fit security matter during long sessions.

    Importance: MEDIUM

    Fiil Key Max has a higher clamp force than the average headphone (5 vs 4.3). The average headphones have a clamp force of 4.3.5 vs 4.3
  • 2.57x less popular
    Fiil Key Max is less popular than the average headphone (1.81 vs 4.646).
    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.
    Fiil Key Max is less popular than the average headphone (1.81 vs 4.646).1.81 vs 4.65
  • 95% lower input power handling
    Fiil Key Max has a lower max input power than the average headphone (5 mW vs 100 mW). The average headphones handle max input power of 100 mW.
    What it is: Maximum input power the drivers can safely handle
    When it matters: When you pair the headphones with stronger sources or dedicated gear.

    Importance: LOW

    Good value: >=300 mW

    Fiil Key Max has a lower max input power than the average headphone (5 mW vs 100 mW). The average headphones handle max input power of 100 mW.5 mW vs 100 mW
Total
Overall
Design
Sound

Graphic comparison of Fiil Key Max and

Attribute category
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Third-party reviews

United Kingdom
amazon
3.4
10 Reviews
United States
Amazon_logo.png
3.4
10 Reviews

(Reviews last updated: Jun 2026)

What customers like about Fiil Key Max?

  • Exceptional battery life, cited at up to 80 hours total
  • Modern Bluetooth 5.4 support providing stable, low-latency connections
  • Support for high-res audio via the LDAC codec
  • Effective Adaptive Hybrid Active Noise Cancellation (ANC) for blocking low-frequency noise
  • Comfortable over-ear design suitable for long listening sessions
  • Deep, studio-grade sound with a wide frequency range (down to 15 Hz)

What customers dislike about Fiil Key Max?

  • Heavier than some competitors at approximately 384.8g
  • Lacks some advanced features found in rivals, such as NFC pairing
  • No official travel bag included in the standard package compared to similar models
  • ANC performance on higher frequency human chatter is less effective than specialized flagship models
  • Lower number of built-in microphones (2) compared to some premium competitors

Expert reviews

T
techtest.org
18/06/2017
FIIL Bluetooth headphones review: Excellent sounding noise-cancelling Bluetooth headphones from Asia

The FIIL Wireless over-ear headphones are highlighted as a "hidden gem" from Asia, offering high-end performance for approximately €140. Design-wise, they feature a clean, matte plastic aesthetic with a sturdy aluminum folding mechanism and a touchpad on the right ear cup for controlling playback and volume. A standout feature is the extensive FIIL+ app integration, which allows...Read more

(Translated)Show original

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