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Brainwavz Kidwavz Kv 100 Review | 93 Data compared

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  • Avg. price in UK: ~£35
  • Avg. price in US: ~$40
  • Form factor: on-ear
  • Connectivity: wireless
  • Battery life: 10 hours
  • Active noise cancellation (ANC): no

Brainwavz Kidwavz Kv 100 review. Compare 93 technical specifications and user reviews to see how it ranks among headphones and if it is worth buying.

2.9

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%

2.9

Technical Score

20.0%

?

User score

Very poor
2.9

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%

2.2

Sound

20.0%

1.9

Features

10.0%

6.3

Design

8.0%

4.8

Connectivity

6.0%

3.8

Battery

4.0%

3.7

Calls & Controls

Very poor
?

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%

?

User reviews

30.0%

?

Popularity

  • 7.9
    Gaming

    Score components:

    35.0%

    9.0

    Audio latency

    25.0%

    10

    Low-latency game mode

    20.0%

    10

    Can be used as a headset

    12.0%

    1.0

    Noise-canceling microphone

    8.0%

    1.3

    Battery life

  • 1.9
    Travel

    Score components:

    28.0%

    1.0

    Active noise cancellation (ANC)

    24.0%

    1.3

    Battery life

    18.0%

    6.1

    Weight

    16.0%

    1.0

    Multipoint support

    14.0%

    0.0

    Ambient sound mode

  • 3.2
    Calls

    Score components:

    28.0%

    1.0

    Noise-canceling microphone

    24.0%

    10

    Can be used as a headset

    18.0%

    1.0

    Multipoint support

    16.0%

    1.3

    Battery life

    14.0%

    1.0

    Companion app

  • 5.2
    Workout

    Score components:

    28.0%

    6.1

    Weight

    24.0%

    1.0

    Water resistance

    20.0%

    9.0

    IP rating

    16.0%

    1.3

    Battery life

    12.0%

    10

    Can be used as a headset

  • No image
No image

Best prices in UK

    N/A~ £35

Best rankings

?

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

Verdict

The Brainwavz Kidwavz KV-100 is a pair of wireless Bluetooth on-ear headphones specifically designed for children aged 4 to 14, featuring a critical volume-limiting safety feature that caps output at 85 dB to protect young ears. These headphones utilise specially tuned drivers designed with reduced bass to ensure vocal clarity and offer up to 6 hours of music playback or 10 hours of talk time on a single 3-hour charge. Main pros include its lightweight 159g-170g design with a cushioned adjustable headband for long-term comfort, dual-mode functionality allowing for both wireless and 3.5mm wired use, and an integrated on-device control panel for easy access to volume and playback. However, notable cons include the lack of active noise cancellation (ANC), the volume-limiting feature being restricted to Bluetooth mode only (requiring manual adjustment during wired use), and the absence of a built-in microphone for headset use in some versions.

Technical Specifications of Brainwavz Kidwavz Kv 100

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%

?

Sound

20.0%

?

Features

10.0%

?

Design

8.0%

?

Connectivity

6.0%

?

Battery

4.0%

?

Calls & Controls

2.9
Brainwavz Kidwavz Kv 100 has a technical score of 2.92 points, which is lower than that of 99.7% 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%

0.0

User reviews

30.0%

1.0

Popularity

?
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.
1.0
Brainwavz Kidwavz Kv 100 has a popularity of 1 points, which is lower than 72.7% 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%

2.9

Overall score

40.0%

10

Price

5.0
Brainwavz Kidwavz Kv 100 has a quality-to-price ratio of 5 points, which is lower than 95.4% 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

no
Brainwavz Kidwavz Kv 100 does not support active noise cancellation. 27.4% 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

12 mm
Brainwavz Kidwavz Kv 100 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
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
Brainwavz Kidwavz Kv 100 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

20 Hz
Brainwavz Kidwavz Kv 100 reaches a lowest frequency of 20 Hz, higher lowest frequency than 50.6% of headphones and equal to 47.5% 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

no
Brainwavz Kidwavz Kv 100 does not support a noise-canceling microphone. 45.6% 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
Brainwavz Kidwavz Kv 100 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

1
Brainwavz Kidwavz Kv 100 has 1 microphones, more microphones than 25.9% of headphones and equal to 52.2% 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
Brainwavz Kidwavz Kv 100 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

?
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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
Brainwavz Kidwavz Kv 100 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

?
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
Brainwavz Kidwavz Kv 100 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

?
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

no
Brainwavz Kidwavz Kv 100 does not support multipoint. 65.1% 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

N/A
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

no
Brainwavz Kidwavz Kv 100 does not support EQ customization. 23.3% 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

no
Brainwavz Kidwavz Kv 100 does not work with a companion app. 44.4% 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

N/A
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

no
Brainwavz Kidwavz Kv 100 does not support voice assistants. 60.9% 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

10 hours
Brainwavz Kidwavz Kv 100 offers battery life of 10 hours, lower battery life than 90% of headphones and equal to 2.7% 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

N/A
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

3 hours
Brainwavz Kidwavz Kv 100 needs 3 hours to charge, higher charging time than 66% of headphones and equal to 21.3% of headphones.
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

no
Brainwavz Kidwavz Kv 100 does not support quick charging. 69.1% 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

Brainwavz
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

on-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

181 g
Brainwavz Kidwavz Kv 100 weighs 181 g, lighter than 61.3% of headphones and equal to 0.3% 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

?
Show more

Brainwavz Kidwavz Kv 100 vs the average headphone

  • More flexible connectivity
    Brainwavz Kidwavz Kv 100 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

    Brainwavz Kidwavz Kv 100 offers more flexible connectivity than the average headphone (wireless vs wired). The average headphones support wired connectivity.wireless vs wired
  • Kid-friendly design
    Brainwavz Kidwavz Kv 100 has a kid-friendly design, the average headphone does not. 3.5% of headphones are designed for kids.
    85 dB, ages 4-14
    What it is: Sized and tuned for children’s use and safety
    When it matters: When safer sizing and child-focused tuning are important.

    Importance: LOW

    Brainwavz Kidwavz Kv 100 has a kid-friendly design, the average headphone does not. 3.5% of headphones are designed for kids.
  • 17% lower weight
    Brainwavz Kidwavz Kv 100 is lighter than the average headphone (181 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

    Brainwavz Kidwavz Kv 100 is lighter than the average headphone (181 g vs 218 g). The average pair of headphones weighs 218 g.181 g vs 218 g
  • Rechargeable battery
    Brainwavz Kidwavz Kv 100 has a rechargeable battery, the average headphone does not. 47.9% of headphones have a rechargeable battery.
    What it is: Shows whether the headphones rely on an internal rechargeable battery instead of replaceable disposable cells.
    When it matters: When you expect regular wireless use and want charging convenience instead of buying and replacing disposable batteries.

    Importance: MEDIUM

    Brainwavz Kidwavz Kv 100 has a rechargeable battery, the average headphone does not. 47.9% of headphones have a rechargeable battery.
  • Play while charging
    Brainwavz Kidwavz Kv 100 can play while charging, the average headphone cannot. 55.9% of headphones support play while charging.
    What it is: Can be used while charging
    When it matters: When you need to keep listening during long work or gaming sessions.

    Importance: LOW

    Brainwavz Kidwavz Kv 100 can play while charging, the average headphone cannot. 55.9% of headphones support play while charging.
  • 2.57x cheaper
    Brainwavz Kidwavz Kv 100 is cheaper than the average headphone (£35 vs £90).
    Brainwavz Kidwavz Kv 100 is cheaper than the average headphone (£35 vs £90).£35 vs £90
  • Kid-friendly design
    Brainwavz Kidwavz Kv 100 has a kid-friendly design, the average headphone does not. 3.5% of headphones are designed for kids.
  • 17% lower weight
    Brainwavz Kidwavz Kv 100 is lighter than the average headphone (181 g vs 218 g). The average pair of headphones weighs 218 g.
  • Rechargeable battery
    Brainwavz Kidwavz Kv 100 has a rechargeable battery, the average headphone does not. 47.9% of headphones have a rechargeable battery.
  • Play while charging
    Brainwavz Kidwavz Kv 100 can play while charging, the average headphone cannot. 55.9% of headphones support play while charging.
  • More flexible connectivity
    Brainwavz Kidwavz Kv 100 offers more flexible connectivity than the average headphone (wireless vs wired). The average headphones support wired connectivity.

Total
Overall
Design
Battery
Connectivity
  • Fixed cable
    Brainwavz Kidwavz Kv 100 has a fixed cable, while the average headphone has a detachable one. 62% of headphones have a detachable cable.
  • Tangle-prone cable
    Brainwavz Kidwavz Kv 100 uses a tangle-prone cable, while the average headphone is easier to manage. 64.2% of headphones use a tangle-free cable.
  • No passive noise reduction
    Brainwavz Kidwavz Kv 100 does not offer passive noise reduction, while the average headphone does. 82.7% of headphones have passive noise reduction.
  • 28 mm smaller driver size
    Brainwavz Kidwavz Kv 100 has smaller driver size than the average headphone (12 mm vs 40 mm). The average headphones use a driver size of 40 mm.
  • 0.7 % higher distortion
    Brainwavz Kidwavz Kv 100 has a higher total harmonic distortion than the average headphone (1 % vs 0.3 %). The average headphones have total harmonic distortion of 0.3 %.
  • 2 Hz weaker bass extension
    Brainwavz Kidwavz Kv 100 has a higher lowest frequency than the average headphone (20 Hz vs 18 Hz). The average headphones reach a lowest frequency of 18 Hz.
  • No neodymium magnet
    Brainwavz Kidwavz Kv 100 does not use neodymium magnets, the average headphone does. 77.4% of headphones use neodymium magnets.
  • 25 dB lower max SPL
    Brainwavz Kidwavz Kv 100 has a lower max SPL than the average headphone (85 dB vs 110 dB). The average headphones reach a max SPL of 110 dB.
  • 18 dB SPL lower sound pressure level
    Brainwavz Kidwavz Kv 100 has a lower sound pressure level than the average headphone (85 dB SPL vs 103 dB SPL). The average headphones reach a sound pressure level of 103 dB SPL.
  • 1 hours longer charging time
    Brainwavz Kidwavz Kv 100 has a higher charging time than the average headphone (3 hours vs 2 hours). The average headphones need 2 hours to charge.
  • 20 hours shorter battery life
    Brainwavz Kidwavz Kv 100 has a lower battery life than the average headphone (10 hours vs 30 hours). The average headphones offer battery life of 30 hours.
  • No voice assistant support
    Brainwavz Kidwavz Kv 100 does not support voice assistants, the average headphone does. 60.8% of headphones support voice assistants.
  • No passive noise reduction
    Brainwavz Kidwavz Kv 100 does not offer passive noise reduction, while the average headphone does. 82.7% of headphones have passive noise reduction.
    What it is: Shows whether the headphones reduce outside noise through physical sealing, fit, and materials rather than active electronics.
    When it matters: When you want better isolation from fit and seal alone, even with ANC turned off or not available.

    Importance: MEDIUM

    Brainwavz Kidwavz Kv 100 does not offer passive noise reduction, while the average headphone does. 82.7% of headphones have passive noise reduction.
  • 28 mm smaller driver size
    Brainwavz Kidwavz Kv 100 has smaller driver size than the average headphone (12 mm vs 40 mm). The average headphones use a driver size of 40 mm.
    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

    Brainwavz Kidwavz Kv 100 has smaller driver size than the average headphone (12 mm vs 40 mm). The average headphones use a driver size of 40 mm.12 mm vs 40 mm
  • 1 hours longer charging time
    Brainwavz Kidwavz Kv 100 has a higher charging time than the average headphone (3 hours vs 2 hours). The average headphones need 2 hours to charge.
    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

    Brainwavz Kidwavz Kv 100 has a higher charging time than the average headphone (3 hours vs 2 hours). The average headphones need 2 hours to charge.3 hours vs 2 hours
  • No voice assistant support
    Brainwavz Kidwavz Kv 100 does not support voice assistants, the average headphone does. 60.8% of headphones support voice assistants.
    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

    Brainwavz Kidwavz Kv 100 does not support voice assistants, the average headphone does. 60.8% of headphones support voice assistants.
  • Fixed cable
    Brainwavz Kidwavz Kv 100 has a fixed cable, while the average headphone has a detachable one. 62% of headphones have a detachable cable.
    What it is: Cable can be removed or replaced
    When it matters: When you care about easier cable replacement, simpler storage, or the option to swap to shorter, longer, or upgraded leads.

    Importance: MEDIUM

    Brainwavz Kidwavz Kv 100 has a fixed cable, while the average headphone has a detachable one. 62% of headphones have a detachable cable.
  • 0.7 % higher distortion
    Brainwavz Kidwavz Kv 100 has a higher total harmonic distortion than the average headphone (1 % 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%

    Brainwavz Kidwavz Kv 100 has a higher total harmonic distortion than the average headphone (1 % vs 0.3 %). The average headphones have total harmonic distortion of 0.3 %.1 % vs 0.3 %
  • 20 hours shorter battery life
    Brainwavz Kidwavz Kv 100 has a lower battery life than the average headphone (10 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

    Brainwavz Kidwavz Kv 100 has a lower battery life than the average headphone (10 hours vs 30 hours). The average headphones offer battery life of 30 hours.10 hours vs 30 hours
  • 2 Hz weaker bass extension
    Brainwavz Kidwavz Kv 100 has a higher lowest frequency than the average headphone (20 Hz vs 18 Hz). The average headphones reach a lowest frequency of 18 Hz.
    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

    Brainwavz Kidwavz Kv 100 has a higher lowest frequency than the average headphone (20 Hz vs 18 Hz). The average headphones reach a lowest frequency of 18 Hz.20 Hz vs 18 Hz
Total
Overall
Design
Sound
Battery
Features

Graphic comparison of Brainwavz Kidwavz Kv 100 and

Attribute category
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Third-party reviews

What customers like about Brainwavz Kidwavz Kv 100?

  • Designed specifically for children, with a shape and fit aimed at younger users.
  • Integrated volume limiting helps protect hearing.
  • Bluetooth connectivity gives kids more freedom of movement without cables.
  • Lightweight build keeps them comfortable for everyday use.
  • Controls on the headset are easy to reach.
  • Some packages include useful extras like a pouch and backup cable.

What customers dislike about Brainwavz Kidwavz Kv 100?

  • Battery life is only moderate at roughly 6 to 10 hours depending on use.
  • Full charging takes a fairly long time for the runtime offered.
  • There is no active noise cancellation.
  • Sound quality is only average and lacks depth.
  • Build quality is inconsistent, with some reports of early failure.

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