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.
Resumen
Ventajas y desventajas
Ventajas
- Strong battery (97th percentile) 97th
- Strong social proof (83rd percentile) 83rd
- Strong comfort (74th percentile) 74th
- Strong connectivity (70th percentile) 70th
Desventajas
- Below average anc (30th percentile)
- Below average build (34th percentile)
Opinión de los propietarios
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.
Las pruebas
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/School, Dark Black |
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 | TOZO HT3 | Soundcore Life Q20 A3025 | QCY H3 | JBL Tune 780NC | Sony WH-CH720N |
|---|---|---|---|---|---|---|
| Form Factor | over-ear | over-ear | over-ear | over-ear | on-ear | over-ear |
| Driver Type | - | dynamic | dynamic | dynamic | dynamic | dynamic |
| Driver Size (mm) | 40 | 40 | 40 | 40 | 40 | 30 |
| Impedance Ohms | 32 | 16 | 16 | 32 | 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 | 6.0 | 5.0 | 5.4 | 5.3 | 5.2 |
| Battery Life Hours | 90 | 90 | 60 | 60 | 50 | 35 |
| Compare | Compare | Compare | Compare | Compare |
| Producto | Anc | Mic | Build | Sound | Battery | Comfort | User Sentiment | Connectivity | Valoración social |
|---|---|---|---|---|---|---|---|---|---|
| EarFun K4 | 30.1 | 42.9 | 33.7 | 61.3 | 96.9 | 73.8 | 69.6 | 70.4 | 83.2 |
| TOZO HT3 Compare | 87 | 84.2 | 95.7 | 98.9 | 96.9 | 50.1 | 96 | 96.3 | 91.4 |
| Soundcore Life Q20 A3025 Compare | 91.9 | 84.2 | 92 | 88.4 | 88.7 | 86.4 | 69.6 | 90.7 | 83.2 |
| QCY H3 Compare | 91.9 | 81.8 | 75.9 | 85.2 | 84.1 | 86.4 | 69.6 | 96.3 | 83.2 |
| JBL Tune 780NC Compare | 97.3 | 77.5 | 75.9 | 78.7 | 82.7 | 50.1 | 0 | 98.5 | 97.5 |
| Sony WH-CH720N Compare | 97.3 | 77.5 | 97.1 | 70.4 | 74.2 | 2.4 | 0 | 97 | 74.6 |
Precio
Relación calidad-precio
Amazon.ca 1 oferta Desde 29 CAD
Seguimos los precios de este producto desde el 10 may 2026. El gráfico aparecerá cuando tengamos más datos.
Puntuaciones por uso
Pronto habrá un análisis completo. Las especificaciones, puntuaciones, precios y gráficos de arriba siempre están actualizados.