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.
form factor over-ear
driver type dynamic
driver size mm 40
impedance ohms 32
Wireless はい
bluetooth version 5.4
battery life hours 90
71 総合スコア
価格 MX$0
概要
メリットとデメリット
長所
- Strong battery (98th percentile) 98th
- Strong comfort (95th percentile) 95th
- Strong social proof (95th percentile) 95th
- Strong build (90th percentile) 90th
短所
- Below average anc (34th percentile)
オーナーの声
購入者の評価が時間とともにどう変化したか
独自顧客が実際にレビューを書いた時期に基づいています。発売当初の高評価が続いたかどうかがわかります。
購入者の評価は時間とともに向上しています
85/100当社のAIによる感情分析
日付のある顧客レビュー 16 件を暦四半期ごとに集計しています。期間別の分析は英語です。
実証データ
パフォーマンス
スペック
全スペック一覧
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 | 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 |
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 |
競合製品との比較
| Spec | EarFun K4 | Sennheiser HDB 630 | Sony ULT WEAR WHULT900N/B | Bowers & Wilkins Px8 S2 | Apple AirPods Max Midnight | Technics EAH-A800 |
|---|---|---|---|---|---|---|
| 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 | 40 |
| Impedance Ohms | 32 | 480 | 314 | - | 16 | 34 |
| 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 | 5.2 | 5.3 | 5.0 | 5.2 |
| Battery Life Hours | 90 | 60 | 30 | 30 | 20 | 50 |
| Compare | Compare | Compare | Compare | Compare |
| 製品 | Anc | Mic | Build | Sound | Battery | Comfort | User Sentiment | Connectivity | ユーザー評価 |
|---|---|---|---|---|---|---|---|---|---|
| EarFun K4 | 33.6 | 75.5 | 89.7 | 81.2 | 98.1 | 95 | 70.6 | 81.3 | 95 |
| Sennheiser HDB 630 Compare | 98.5 | 89.4 | 81.4 | 98.8 | 93.1 | 55.7 | 87.1 | 95.6 | 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 |
| Bowers & Wilkins Px8 S2 Compare | 98.5 | 99.5 | 96.3 | 99.5 | 82.1 | 62.1 | 87.1 | 98.3 | 98.7 |
| Apple AirPods Max Midnight Compare | 98.5 | 87.9 | 93.8 | 95.1 | 77.5 | 34.9 | 87.1 | 96 | 98.7 |
| Technics EAH-A800 Compare | 95.2 | 98.8 | 81.4 | 98 | 89.5 | 62.1 | 52.9 | 98.1 | 66 |
用途別スコア
詳細なレビューは近日公開予定です。上記のスペック、スコア、価格、チャートは常に最新です。
