EarFun K1
A switchable 85/94dB volume limiter and recycled, CPC-certified materials prioritize hearing safety and kid-proof durability, with 40mm drivers delivering full bass. The built-in SharePort lets a second headphone connect directly without a splitter, and the 175g foldable frame with nylon braided cable survives daily rough use. Best for parents needing a durable, hearing-safe wired headset for children using tablets or laptops for school and travel.
Snapshot
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 13 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 Type | dynamic |
| Driver Size | 40 |
| Impedance | 32 |
| Codecs | EarFun K1 Kids Headphones Wired with Microphone, 85/94dB Volume Limit Headphones for Kids, Portable Wired Headphone with Shareport, Stereo Sound Foldable Headset for School/Tablet/iPad, Black Red |
Noise Control
| ANC | No |
Connectivity
| Wireless | No |
| Wired Connector | 3.5mm |
Microphone
| Microphone | Yes |
Features
| Volume Limiting | Yes |
vs Competition
| Spec | EarFun K1 | Sony ULT WEAR WHULT900N/B | Bowers & Wilkins Px8 S2 | Sennheiser MOMENTUM 4 | Bose QuietComfort 884367-1100 | JBL Live 770NC |
|---|---|---|---|---|---|---|
| Form Factor | over-ear | over-ear | over-ear | over-ear | over-ear | over-ear |
| Driver Type | dynamic | dynamic | dynamic | dynamic | dynamic | dynamic |
| Driver Size (mm) | 40 | 40 | 40 | 42 | - | 40 |
| Impedance Ohms | 32 | 314 | - | 470 | 32 | 32 |
| Wireless | false | true | true | true | true | true |
| Active Noise Cancellation | false | true | true | true | true | true |
| Open Closed Back | - | closed | closed | closed | closed | closed |
| Bluetooth Version | - | 5.2 | 5.3 | 5.2 | 5.1 | 5.3 |
| Battery Life Hours | - | 30 | 30 | 60 | 24 | 65 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | User Sentiment | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|---|
| EarFun K1 | 33.6 | 54.4 | 37.9 | 74.1 | 52.6 | 97 | 70.5 | 27.1 | 95 |
| Sony ULT WEAR WHULT900N/B Compare | 98.5 | 89.4 | 81.4 | 96.9 | 82.1 | 62.2 | 70.5 | 99.2 | 89.6 |
| Bowers & Wilkins Px8 S2 Compare | 98.5 | 99.5 | 96.3 | 99.5 | 82.1 | 62.2 | 86.8 | 98.3 | 98.7 |
| Sennheiser MOMENTUM 4 Compare | 98.5 | 89.4 | 93.8 | 98.5 | 93.1 | 91 | 37.5 | 98.6 | 72.2 |
| Bose QuietComfort 884367-1100 Compare | 92 | 75.5 | 93.8 | 52.8 | 79.6 | 85.8 | 80.9 | 95 | 89.6 |
| JBL Live 770NC Compare | 98.5 | 84.9 | 93.8 | 89.3 | 94.6 | 62.2 | 70.5 | 100 | 95 |
Price
Value & Pricing
Amazon.co.jp 1 offer From ¥3,589
We started tracking prices for this product on Jul 18, 2026. The chart appears once we have more data.
