OVERALL
ALTERNATIVES
SPECS
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REVIEWS
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Tronsmart KH03 Review | 93 Data compared

Avg. price:~£35Form factor:over-earConnectivity:wirelessBattery life:70 hoursActive noise cancellation (ANC):yes

Tronsmart KH03 Review: Compare 93 technical specifications and user reviews to see how this product ranks in the Headphones category and whether it is worth buying.

Tronsmart KH03
7.9/10

Overall score

Score
7.9/ 10
✕
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–¼
<55-66-77-88-99-10
â–² Better than 89% of models
Score components

80%

7.7

Technical score

20%

8.3

User score

â–²Better than 89% of headphones
8.5

Value for money

Value for money
8.5/ 10
✕
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–¼
<55-66-77-88-99-10
★ Better than 91% of models
Score components

70%

7.9

Overall score

30%

10

Price

★Better than 91%
7.7

Technical score

Technical score
7.7/ 10
✕
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–¼
<55-66-77-88-99-10
â–² Better than 88% of models
Score components

52%

8.1

Sound

20%

7.0

Features

10%

7.2

Design

8%

7.0

Connectivity

6%

9.0

Battery

4%

8.2

Calls & Controls

â–²Better than 88%
8.3

User score

User score
8.3/ 10
✕
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–¼
<55-66-77-88-99-10
â–² Better than 78% of models
Score components

70%

9.0

User ratings

30%

6.9

Number of reviews

Based on ratings from across the web.
â–²Better than 78%
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Where to buy
*As an Amazon Associate, we earn from qualifying purchases.
Best rankings
Available: ranking among products currently available (including other versions of this product).All: ranking among all products in the database.
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Technical Specifications of pair of headphones Tronsmart KH03

Technical score
Technical score
7.7/ 10
✕
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–¼
<55-66-77-88-99-10
â–² Better than 88% of models
Score components:

52%

8.1

Sound

20%

7.0

Features

10%

7.2

Design

8%

7.0

Connectivity

6%

9.0

Battery

4%

8.2

Calls & Controls

7.7
User score
User score
8.3/ 10
✕
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–¼
<55-66-77-88-99-10
â–² Better than 78% of models
Score components

70%

9.0

User ratings

30%

6.9

Number of reviews

Based on ratings from across the web.
8.3
Popularity
Popularity
6.9/ 10
✕
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–¼
<55-66-77-88-99-10
â–² Better than 63% of models
Popularity:
Tronsmart KH03 has a popularity score of 6.9 points, which is higher than that of 63.2% of products in this category.
6.9
Value for money
Value for money
8.5/ 10
✕
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–¼
<55-66-77-88-99-10
★ Better than 91% of models
Score components:

70%

7.9

Overall score

30%

10

Price

8.5
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
40 mm
Market range: <10 mm – >50 mm
This pair of headphones uses a driver size of 40 mm, larger driver size than 28.6% of headphones and equal to 53.3% of headphones.
Number of drivers
1
Market range: <1 – >4
This pair of headphones uses 1 drivers, fewer drivers than 4% of headphones and equal to 96% of headphones.
Lowest frequency
20 Hz
Market range: <5 Hz – >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
1
Market range: <0 – >4
This pair of headphones has 1 microphones, more microphones than 26.9% of headphones and equal to 50.9% 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
5.3
This pair of headphones uses Bluetooth version 5.3, newer Bluetooth version than 88.7% of headphones and equal to 6.5% of headphones.
Maximum Bluetooth range
15 m
Market range: <10 m – >15 m
This pair of headphones offers a Bluetooth range of 15 m, higher Bluetooth range than 84.9% of headphones and equal to 6.2% of headphones.
Audio latency
?
Multipoint support
no
This pair of headphones does not support multipoint. 30.6% 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
?
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
70 hours
Market range: <10 hours – >70 hours
This pair of headphones offers battery life of 70 hours, higher battery life than 87.5% of headphones and equal to 2.9% of headphones.
Battery life with ANC
70 hours
Market range: <15 hours – >55 hours
This pair of headphones offers battery life with ANC of 70 hours, higher battery life with ANC than 96.1% of headphones and equal to 1.4% of headphones.
Charging time
2.5 hours
Market range: <1.5 hours – >3.5 hours
This pair of headphones needs 2.5 hours to charge, higher charging time than 53% of headphones and equal to 13% of headphones.
Quick charge
yes
This pair of headphones supports quick charge. 67% of headphones support quick charge.
Battery capacity
700 mAh
Market range: <290 mAh – >1k mAh
This pair of headphones has a battery capacity of 700 mAh, higher battery capacity than 66.4% of headphones and equal to 3.7% of headphones.
Show more
Brand name
Tronsmart
Form factor
over-ear
Weight
244 g
Market range: <14 g – >340 g
This pair of headphones weighs 244 g, heavier than 59.6% of headphones and equal to 0.1% of headphones.
Acoustic design
closed-back
Clamp force
?
Show more

Tronsmart KH03 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.
  • 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.
  • 40 hours longer ANC battery life
    This pair of headphones has a higher battery life with ANC than the average pair of headphones (70 hours vs 30 hours). The average headphones offer battery life with ANC of 30 hours.
    70 hours vs 30 hours
  • 40 hours longer battery life
    This pair of headphones has a higher battery life than the average pair of headphones (70 hours vs 30 hours). The average headphones offer battery life of 30 hours.
    70 hours vs 30 hours
  • 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
  • LDAC support
    This pair of headphones supports LDAC, the average pair of headphones does not. 8.1% of headphones support LDAC.
  • 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.
  • 17% better value for money
    Tronsmart KH03 has better value for money than the average pair of headphones (8.5 vs 7.3).
    8.5 vs 7.27
  • 2.57x cheaper
    Tronsmart KH03 is cheaper than the average pair of headphones (£35 vs £90).
    £35 vs £90
  • Foldable design
    This pair of headphones has a foldable design, the average pair of headphones does not. 48.3% of headphones are foldable.
  • Kid-friendly design
    This pair of headphones has a kid-friendly design, the average pair of headphones does not. 3.6% of headphones are designed for kids.
  • 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.
  • 40 hours longer ANC battery life
    This pair of headphones has a higher battery life with ANC than the average pair of headphones (70 hours vs 30 hours). The average headphones offer battery life with ANC of 30 hours.
    70 hours vs 30 hours
  • 40 hours longer battery life
    This pair of headphones has a higher battery life than the average pair of headphones (70 hours vs 30 hours). The average headphones offer battery life of 30 hours.
    70 hours vs 30 hours
  • 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.
  • 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.
  • 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
  • LDAC support
    This pair of headphones supports LDAC, the average pair of headphones does not. 8.1% of headphones support LDAC.
  • 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.
  • AptX Lossless support
    This pair of headphones supports aptX Lossless, the average pair of headphones does not. 4.8% of headphones support aptX Lossless.
  • 5 m longer Bluetooth range
    This pair of headphones has a higher Bluetooth range than the average pair of headphones (15 m vs 10 m). The average headphones offer a Bluetooth range of 10 m.
    15 m vs 10 m
  • AAC codec support
    This pair of headphones supports AAC, the average pair of headphones does not. 32.2% of headphones support AAC.
  • Low-latency game mode
    This pair of headphones includes a low-latency game mode, the average pair of headphones does not. 21.2% of headphones support low-latency game mode.
  • 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.
  • 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.
  • 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.
  • 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.
  • 8 newer release date
    This pair of headphones was released more recently than the average pair of headphones (2024 vs 2016). The average headphones were released in 2016.
    July 2024
    2024 vs 2016
  • 9 dB/mW lower sensitivity
    This pair of headphones has a lower sensitivity than the average pair of headphones (93 dB/mW vs 102 dB/mW). The average headphones have sensitivity of 102 dB/mW.
    93 dB/mW vs 102 dB/mW
  • 0.5 hours longer charging time
    This pair of headphones has a higher charging time than the average pair of headphones (2.5 hours vs 2 hours). The average headphones need 2 hours to charge.
    2.5 hours vs 2 hours
  • 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
  • 11.9% higher weight
    This pair of headphones is heavier than the average pair of headphones (244 g vs 218 g). The average pair of headphones weighs 218 g.
    244 g vs 218 g
  • No travel bag
    This pair of headphones does not include a travel bag, the average pair of headphones does. 65.4% of headphones include a travel bag.
  • No neodymium magnet
    This pair of headphones does not use neodymium magnets, the average pair of headphones does. 81.9% of headphones use neodymium magnets.
  • 17 dB lower max SPL
    This pair of headphones has a lower max SPL than the average pair of headphones (93 dB vs 110 dB). The average headphones reach a max SPL of 110 dB.
    93 dB vs 110 dB
  • 10 dB SPL lower sound pressure level
    This pair of headphones has a lower sound pressure level than the average pair of headphones (93 dB SPL vs 103 dB SPL). The average headphones reach a sound pressure level of 103 dB SPL.
    93 dB SPL vs 103 dB SPL
  • 11.9% higher weight
    This pair of headphones is heavier than the average pair of headphones (244 g vs 218 g). The average pair of headphones weighs 218 g.
    244 g vs 218 g
  • No travel bag
    This pair of headphones does not include a travel bag, the average pair of headphones does. 65.4% of headphones include a travel bag.
  • 9 dB/mW lower sensitivity
    This pair of headphones has a lower sensitivity than the average pair of headphones (93 dB/mW vs 102 dB/mW). The average headphones have sensitivity of 102 dB/mW.
    93 dB/mW vs 102 dB/mW
  • 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
  • No neodymium magnet
    This pair of headphones does not use neodymium magnets, the average pair of headphones does. 81.9% of headphones use neodymium magnets.
  • 17 dB lower max SPL
    This pair of headphones has a lower max SPL than the average pair of headphones (93 dB vs 110 dB). The average headphones reach a max SPL of 110 dB.
    93 dB vs 110 dB
  • 10 dB SPL lower sound pressure level
    This pair of headphones has a lower sound pressure level than the average pair of headphones (93 dB SPL vs 103 dB SPL). The average headphones reach a sound pressure level of 103 dB SPL.
    93 dB SPL vs 103 dB SPL
  • 0.5 hours longer charging time
    This pair of headphones has a higher charging time than the average pair of headphones (2.5 hours vs 2 hours). The average headphones need 2 hours to charge.
    2.5 hours vs 2 hours

Video reviews

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

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Expert reviews

In-depth analysis and verdict from leading tech publications

enostech.com
29/05/2025
Hands-on test · ANC kids headphones
Verdict
The Tronsmart KH03 is a fun, safe pair for kids, with gentle noise cancelling, light-up earcups and volume limits.
R
rtl.de
18/08/2024
Summary of the review
Tronsmart Kids Headphones Comparison – Safe Music Enjoyment for the Littlest Ones
(Translated)Show original
enostech.com
29/05/2025
Hands-on test · ANC kids headphones
Verdict
The Tronsmart KH03 is a fun, safe pair for kids, with gentle noise cancelling, light-up earcups and volume limits.

Third-party reviews

Based on ratings from across the web.
Reviews last updated: November 2026 · How we calculate this

What customers like about Tronsmart KH03

  • Impressive 70-hour battery life and fast USB-C charging
  • Effective triple volume limiters (74/85/93dB) for child ear safety
  • High comfort levels due to soft protein leather ear pads and lightweight design
  • Versatile dual-mode connectivity allowing for both wireless and wired use
  • Appreciated durability, with some users reporting they withstand rough handling better than competitors
  • Engaging aesthetic features including colorful LED light modes and fun colors

What customers don't like about Tronsmart KH03

  • Active Noise Cancelling (ANC) functionality is only available in Bluetooth mode
  • Some users find the process of turning the LED lights off or on to be unintuitive
  • Isolated reports of Bluetooth connectivity issues or units failing to charge
  • A few parents noted that even with the volume limiter, the max setting may still be louder than expected for very young children

Verdict

The Tronsmart KH03 is a premium over-ear wireless headphone designed for children, featuring hybrid Active Noise Cancellation (ANC) and an adjustable safe volume limiter with three settings (74dB, 85dB, and 93dB) to protect developing hearing. These 244g foldable headphones utilize 40mm drivers to deliver clear stereo sound and offer a robust 70-hour battery life on a single 2.5-hour USB-C charge. Key characteristics include Bluetooth 5.3 connectivity with a 15m range, a built-in HD microphone for online classes, and a dynamic 7-color LED light show with flashing and breathing modes. Main pros are its exceptionally long playtime, versatile dual-mode usage (wireless or wired via 3.5mm jack), and comfortable build featuring breathable protein leather earpads. Some available cons include reports that the earpads can become quite warm during extended use, causing ears to sweat, and that certain features like the volume limiter and control buttons are disabled when using the headphones in wired mode.

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