EarFun K4
The 90-hour battery life and triple-volume limit (74/85/94dBA) make these over-ears safe for kids, while 40mm drivers and Bluetooth 5.4 provide clear stereo sound. At just 213g and foldable, with five colorful LED light modes and a 10-minute fast charge for 8 hours, it combines portability with fun. Best for school-age children needing durable, hearing-safe headphones for tablets and travel, backed by Rohs2.0 and CPC safety certifications.
Snapshot
Ventajas y desventajas
Pros
- Strong battery (97th percentile) 97th
- Strong social proof (83th percentile) 83th
- Strong comfort (74th percentile) 74th
- Strong connectivity (70th percentile) 70th
Cons
- Below average anc (30th percentile)
- Below average build (34th percentile)
What owners think
Cómo cambió la opinión de los propietarios con el tiempo
ExclusivaSegún cuándo escribieron realmente sus opiniones los clientes, para ver si los elogios iniciales se mantuvieron.
Basado en 11 opiniones de clientes con fecha, agrupadas por trimestre natural. El análisis por periodo está en inglés.
The proof
Rendimiento
Especificaciones
Especificaciones completas
Design
| Form Factor | over-ear |
| Foldable | Yes |
| Weight | 0.2 kg / 0.5 lbs |
Audio
| Driver Size | 40 |
| 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/PC/School |
Connectivity
| Wireless | Yes |
| Bluetooth | 5.4 |
| Wired Connector | 3.5mm |
Battery
| Battery Life | 90 |
| Fast Charging | 10-minute charging providing 8 hours battery life |
| Charging | USB-C |
Microphone
| Microphone | Yes |
Features
| Volume Limiting | Yes |
Frente a la competencia
| Spec | EarFun K4 | JBL Live 770NC | TOZO HT3 HT3 | Soundcore Life Q20 A3025 | QCY H3 H3 | Sony WH-CH720N WH-CH720N |
|---|---|---|---|---|---|---|
| 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 | 30 |
| Impedance Ohms | 32 | 32 | 16 | 16 | 32 | 325 |
| 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 | 5.3 | 6.0 | 5.0 | 5.4 | 5.2 |
| Battery Life Hours | 90 | 65 | 90 | 60 | 60 | 35 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | User Sentiment | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|---|
| EarFun K4 | 30.1 | 42.9 | 33.7 | 61.3 | 96.9 | 73.8 | 69.9 | 70.4 | 83.2 |
| JBL Live 770NC Compare | 97.3 | 77.5 | 92 | 84.2 | 91.3 | 50.1 | 69.9 | 99.9 | 91.5 |
| TOZO HT3 HT3 Compare | 87 | 84.2 | 95.8 | 98.9 | 96.9 | 50.1 | 96.1 | 96.3 | 91.5 |
| Soundcore Life Q20 A3025 Compare | 91.9 | 84.2 | 92 | 88.4 | 88.7 | 86.4 | 69.9 | 90.7 | 83.2 |
| QCY H3 H3 Compare | 91.9 | 81.8 | 76 | 85.2 | 84.1 | 86.4 | 69.9 | 96.3 | 83.2 |
| Sony WH-CH720N WH-CH720N Compare | 97.3 | 77.5 | 97.1 | 70.4 | 74.2 | 2.4 | 0 | 97 | 74.6 |
Price
Relación calidad-precio
Amazon.de 1 ofertas Desde 36 €
Puntuaciones por uso
Pronto habrá un análisis completo. Las especificaciones, puntuaciones, precios y gráficos de arriba siempre están actualizados.