EarFun K4
The 40mm drivers and Bluetooth 5.4 deliver clear audio, while the 90-hour battery and triple-level volume limiting (74/85/94dBA) ensure safe all-day listening in a 210g BPA-free build. Five LED light modes add fun, and a 10-minute charge provides 8 hours of playtime. Ideal for parents equipping school-age kids with durable, hearing-protective headphones for tablets, online learning, and travel.
form factor over-ear
driver type dynamic
driver size mm 40
impedance ohms 32
Wireless Sim
bluetooth version 5.4
battery life hours 90
68 Pontuação Geral
Preço € 0
Nenhuma oferta disponível
Resumo
Prós e contras
Prós
- Strong battery (97th percentile) 97th
- Strong comfort (92nd percentile) 92nd
- Strong social proof (91st percentile) 91st
- Strong build (87th percentile) 87th
Contras
- Below average anc (30th percentile)
O que dizem os donos
Como a opinião dos donos mudou ao longo do tempo
ExclusivoCom base em quando os clientes realmente escreveram suas avaliações - para ver se os elogios iniciais se mantiveram.
A opinião dos donos melhorou ao longo do tempo
85/100Nossa análise de sentimento por IA
Com base em 13 avaliações de clientes datadas, agrupadas por trimestre civil. A análise por período está em inglês.
As provas
Desempenho
Especificações
Especificações completas
Design
| Form Factor | over-ear |
| Foldable | Yes |
| Weight | 0.2 kg / 0.5 lbs |
| Ear Cushion | Leather |
Audio
| Driver Type | dynamic |
| Driver Size | 40 |
| Freq Max | 20000 |
| Impedance | 32 |
| Sensitivity | 100 |
| Codecs | Volume Limited for Kids, LED Lights, Long Battery Life, Bluetooth 5.4 |
Noise Control
| ANC | No |
Connectivity
| Wireless | Yes |
| Bluetooth | 5.4 |
| Wired Connector | 3.5mm |
Battery
| Battery Life | 90 |
| Charge Time | 0.17 |
| Fast Charging | 10-minute charging providing 8 hours battery life |
| Charging | USB-C |
Microphone
| Microphone | Yes |
| NC Mic | Yes |
Features
| Touch Controls | No |
| Volume Limiting | Yes |
| Water Resistance | Water-Resistant |
Face à concorrência
| Spec | EarFun K4 | Sennheiser MOMENTUM 4 | Bowers & Wilkins Px8 S2 | Sony ULT WEAR WHULT900N/B | Bose QuietComfort Ultra 2nd Gen | 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 | 42 | 40 | 40 | - | 40 |
| Impedance Ohms | 32 | 470 | - | 314 | 32 | 32 |
| Wireless | true | true | true | true | true | true |
| Active Noise Cancellation | false | true | true | true | true | true |
| Open Closed Back | - | closed | closed | closed | closed | closed |
| Bluetooth Version | 5.4 | 5.2 | 5.3 | 5.2 | 5.4 | 5.3 |
| Battery Life Hours | 90 | 60 | 30 | 30 | 30 | 65 |
| Compare | Compare | Compare | Compare | Compare |
| Produto | Anc | Mic | Build | Sound | Battery | Comfort | User Sentiment | Connectivity | Prova social |
|---|---|---|---|---|---|---|---|---|---|
| EarFun K4 | 30.1 | 65.6 | 86.9 | 72.4 | 96.9 | 91.6 | 69.7 | 70.3 | 91.4 |
| Sennheiser MOMENTUM 4 Compare | 97.4 | 84.2 | 92 | 97.6 | 88.7 | 86.3 | 37.1 | 97.7 | 59.4 |
| Bowers & Wilkins Px8 S2 Compare | 97.4 | 99.3 | 95.7 | 99.4 | 71.2 | 50 | 86.8 | 97.3 | 97.5 |
| Sony ULT WEAR WHULT900N/B Compare | 97.4 | 84.2 | 76 | 95 | 71.2 | 50 | 69.7 | 98.9 | 83.2 |
| Bose QuietComfort Ultra 2nd Gen Compare | 91.9 | 77.5 | 97.1 | 46.2 | 71.2 | 50 | 86.8 | 99.7 | 83.2 |
| JBL Live 770NC Compare | 97.4 | 77.5 | 92 | 84.1 | 91.3 | 50 | 69.7 | 99.9 | 91.4 |
Pontuações por utilização
Uma análise completa chega em breve. As especificações, pontuações, preços e gráficos acima estão sempre atualizados.
