iClever BTH21
The 40mm drivers and iClever Sound Refiner Technology deliver clear audio while actively reducing harmful 2-4KHz frequencies, with a 60-hour battery life that outlasts most kids' headphones. The lightweight 158g foldable design, BPA-free materials, and dazzling RGB cat ears make these a durable and giftable choice that children genuinely enjoy wearing. These are best for parents seeking safe, long-lasting wireless headphones for toddlers and young kids during travel or tablet use.
Snapshot
Pros & Cons
Pros
- Strong comfort (97th percentile) 97th
- Strong social proof (95th percentile) 95th
- Strong user sentiment (87th percentile) 87th
- Strong battery (87th percentile) 87th
Cons
- Below average anc (33rd percentile)
What owners think
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews - so you can see whether early praise held up.
Based on 23 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Design
| Form Factor | over-ear |
| Foldable | Yes |
| Weight | 0.2 kg / 0.4 lbs |
Audio
| Driver Size | 40 |
| Impedance | 32 |
| Codecs | iClever Kids Bluetooth Headphones, Light Up Cat Ear,60H Playtime, USB C Fast Charging, Safe Volume 74/85dBA, Bluetooth 5.3,Toddler Headphones Wireless for iPad Tablets Travel,Meow Cookies-Peach Pink |
Noise Control
| ANC | No |
Connectivity
| Wireless | Yes |
| Bluetooth | 5.3 |
| Wired Connector | 3.5mm |
| Detachable Cable | No |
Battery
| Battery Life | 43 |
| Fast Charging | 10 min for 5 hours playback |
| Charging | USB-C |
Microphone
| Microphone | Yes |
| Boom Mic | No |
Features
| Touch Controls | No |
| Volume Limiting | Yes |
| RGB | Yes |
vs Competition
| Spec | iClever BTH21 | Sony ULT WEAR WHULT900N/B | Bowers & Wilkins Px8 S2 | Sennheiser MOMENTUM 4 | Technics EAH-A800 | Apple AirPods Max Midnight |
|---|---|---|---|---|---|---|
| Form Factor | over-ear | over-ear | over-ear | over-ear | over-ear | over-ear |
| Driver Type | - | dynamic | dynamic | dynamic | dynamic | dynamic |
| Driver Size (mm) | 40 | 40 | 40 | 42 | 40 | 40 |
| Impedance Ohms | 32 | 314 | - | 470 | 34 | 16 |
| Wireless | true | true | true | true | true | true |
| Active Noise Cancellation | false | true | true | true | true | true |
| Open Closed Back | - | closed | closed | closed | closed | closed |
| Bluetooth Version | 5.3 | 5.2 | 5.3 | 5.2 | 5.2 | 5.0 |
| Battery Life Hours | 43 | 30 | 30 | 60 | 50 | 20 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | User Sentiment | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|---|
| iClever BTH21 | 33.3 | 53.5 | 37.4 | 73.4 | 87.1 | 97 | 87.2 | 80.2 | 94.7 |
| Sony ULT WEAR WHULT900N/B Compare | 98.5 | 88.8 | 80.7 | 96.8 | 81.1 | 61.2 | 70.9 | 99.2 | 89.2 |
| Bowers & Wilkins Px8 S2 Compare | 98.5 | 99.5 | 96 | 99.4 | 81.1 | 61.2 | 87.2 | 98.2 | 98.6 |
| Sennheiser MOMENTUM 4 Compare | 98.5 | 88.8 | 93.3 | 98.3 | 92.9 | 90.8 | 37.4 | 98.5 | 71.5 |
| Technics EAH-A800 Compare | 95 | 98.8 | 80.7 | 97.9 | 88.9 | 61.2 | 53.1 | 98 | 65.3 |
| Apple AirPods Max Midnight Compare | 98.5 | 87 | 93.3 | 94.8 | 76.3 | 34.5 | 87.2 | 88.5 | 98.6 |
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
