EarFun K4
The triple 74/85/94dBA volume limiter and BPA-free, safety-certified build directly address hearing protection for children. Bluetooth 5.4 connectivity and a 90-hour battery life minimize charging interruptions during long trips or school weeks. These headphones are best for parents seeking a durable, safe wireless option for kids aged 3+ using tablets for travel or learning.
Snapshot
Pros & Cons
Pros
- Strong battery (98th percentile) 98th
- Strong social proof (90th percentile) 90th
- Strong comfort (83rd percentile) 83rd
- Strong connectivity (74th percentile) 74th
Cons
- Below average sound (26th percentile)
- Below average anc (34th 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 11 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 / 0.5 lbs |
Audio
| Impedance | 32 |
| Codecs | EarFun K4 Kids Bluetooth Headphones, Wireless Headphones with LED Lights, 74/85/94dBA Volume Limited, Built-in Mic, 90H Playtime, Bluetooth 5.4 Over Ear Headphone for iPad/Tablet/School, Violet |
Connectivity
| Wireless | Yes |
| Bluetooth | 5.4 |
Battery
| Battery Life | 90 |
Microphone
| Microphone | Yes |
Features
| Volume Limiting | Yes |
vs Competition
| Spec | EarFun K4 | Sony ULT WEAR WHULT900N/B | Soundcore Life Q20 | TOZO HT3 | JBL Live 770NC | Truefree HF-10 |
|---|---|---|---|---|---|---|
| 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 | 40 | 40 |
| Impedance Ohms | 32 | 314 | 16 | 16 | 32 | 20 |
| Wireless | true | true | true | true | true | true |
| Active Noise Cancellation | - | true | true | true | true | true |
| Open Closed Back | - | closed | closed | closed | closed | closed |
| Bluetooth Version | 5.4 | 5.2 | 5.0 | 6.0 | 5.3 | 6.0 |
| Battery Life Hours | 90 | 30 | 60 | 90 | 65 | 125 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | User Sentiment | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|---|
| EarFun K4 | 33.6 | 54.4 | 37.9 | 25.7 | 97.5 | 82.6 | 70.6 | 73.9 | 89.6 |
| Sony ULT WEAR WHULT900N/B Compare | 98.5 | 89.4 | 81.4 | 96.9 | 82.1 | 62.1 | 70.6 | 99.2 | 89.6 |
| Soundcore Life Q20 Compare | 95.2 | 89.4 | 89.7 | 100 | 93.1 | 91 | 95.9 | 91.7 | 89.6 |
| TOZO HT3 Compare | 92 | 89.4 | 96.3 | 99.2 | 98.1 | 62.1 | 95.9 | 97.7 | 95 |
| JBL Live 770NC Compare | 98.5 | 84.9 | 93.8 | 89.3 | 94.6 | 62.1 | 70.6 | 100 | 95 |
| Truefree HF-10 Compare | 95.2 | 89.4 | 96.3 | 87.2 | 99.8 | 85.8 | 87.1 | 96.4 | 95 |
Price
Value & Pricing
Amazon.ca 1 offer From CA$38
We started tracking prices for this product on May 2, 2026. The chart appears once we have more data.
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
