EarFun K3
Equipped with 40mm dynamic drivers and an 85dBA volume limit, the EarFun K3 delivers clear stereo sound while safeguarding young hearing. Its foldable, water-resistant design and cushioned ear pads provide durable, all-day comfort for school commutes or travel. This wired headphone is best for parents needing a safe, USB-C compatible audio option for children using tablets, Chromebooks, or iPads in educational settings.
Snapshot
Pros & Cons
Pros
- Strong comfort (97th percentile) 97th
- Strong social proof (89th percentile) 89th
- Strong build (89th percentile) 89th
- Strong user sentiment (87th percentile) 87th
Cons
- Below average connectivity (27th percentile)
- 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.
- Q1 202697/100
Buyers in Q1 2026 praised these headphones as durable, kid-friendly, and good value. They liked the lights, USB-C pass-through, and comfort, though one noted basic sound.
- Durable and kid-approved; one child hasn't broken them yet.
- Good sound quality and comfortable for extended wear.
- Cool lights and USB-C pass-through feature appreciated.
- Sound described as basic by one buyer, but overall positive.
- Q4 2025100/100
Buyers in Q4 2025 praised these headphones for kids as durable, comfortable, and practical, especially for travel and daily use. The wired USB-C design prevents lost pieces, though it blocks simultaneous charging.
- Durable and long-lasting; one pair lasted two years of daily use by a child.
- Comfortable fit for kids, with good sound quality for the price.
- Wired design prevents lost dongles and connection issues, ideal for travel.
- USB-C plug blocks charging port; some users buy separate dongles that get lost.
Based on 20 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 |
| Ear Cushion | soft, cushioned ear pads |
| Headband | adjustable headband |
Audio
| Driver Type | dynamic |
| Driver Size | 40 |
| Freq Max | 20000 |
| Impedance | 32 |
| Sensitivity | 100 |
| Codecs | EarFun K3 Kids Headphones, USB Type C Over Ear Headphones with Microphones, 85/94dB Volume Limit, HD Stereo Sound with LED Light, Foldable Wired Headphones for School/Boys/Girls/Tablet, Black |
Noise Control
| ANC | No |
Connectivity
| Wireless | No |
| Wired Connector | 3.5mm |
Battery
| Charging | USB-C |
Microphone
| Microphone | Yes |
| Boom Mic | No |
Features
| Touch Controls | No |
| Volume Limiting | Yes |
| Water Resistance | Water-Resistant |
vs Competition
| Spec | EarFun K3 | 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 | dynamic |
| Driver Size (mm) | 40 | 40 | 40 | 42 | 40 | 40 |
| Impedance Ohms | 32 | 314 | - | 470 | 34 | 16 |
| 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 | 5.2 | 5.0 |
| Battery Life Hours | - | 30 | 30 | 60 | 50 | 20 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | User Sentiment | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|---|
| EarFun K3 | 33.3 | 53.5 | 89.1 | 80.6 | 51.4 | 97 | 87.2 | 26.6 | 89.2 |
| 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.
