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EarFun K4

★★★★★ 4.6 (460)

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
driver size mm 40
impedance ohms 32
Wireless はい
bluetooth version 5.4
battery life hours 90
EarFun K4 headphones
68 総合スコア
価格 ¥0
現在取り扱いなし
他の国でも利用可能:

Snapshot

メリットとデメリット

Pros

  • Strong battery (97th percentile) 97th
  • Strong comfort (92th percentile) 92th
  • Strong social proof (92th percentile) 92th
  • Strong build (88th percentile) 88th

Cons

  • Below average anc (30th percentile)

What owners think

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による感情分析信頼度: 中 · 13 件のソース · 2026年5月
1★2★3★4★5★Q2 '25: 5.0★ · 1 レビューQ3 '25: 4.5★ · 2 レビューQ4 '25: 5.0★ · 2 レビューQ1 '26: 5.0★ · 8 レビュー1228Q2 '25Q3 '25Q4 '25Q1 '26
平均評価満足(4〜5★)不満(1〜2★)バーの高さ = レビュー件数

日付のある顧客レビュー 13 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。

The proof

パフォーマンス

パフォーマンス偏差値

Anc 30.4
Mic 66.6
Build 87.6
Sound 73.1
Battery 96.9
Comfort 91.7
User Sentiment 70.1
Connectivity 71.5
Social Proof 91.5

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
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

競合製品との比較

Spec EarFun K4 Sony WH-1000XM6 WH-1000XM6 Bowers & Wilkins Px8 S2 Px8 S2 Sennheiser MOMENTUM 4 M4AEBT JBL Live 770NC TOZO HT3 HT3
Form Factor over-ear over-ear over-ear over-ear over-ear over-ear
Driver Type Dynamic Driver dynamic dynamic Dynamic Dynamic dynamic
Driver Size (mm) 40 30 40 42 40 40
Impedance Ohms 32 48 - 60 32 16
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 5.3 5.3 5.2 5.3 6.0
Battery Life Hours 90 30 30 60 65 90
Compare Compare Compare Compare Compare
Product AncMicBuildSoundBatteryComfortUser SentimentConnectivitySocial Proof
EarFun K4 30.466.687.673.196.991.770.171.591.5
Sony WH-1000XM6 WH-1000XM6 Compare 97.591.392.490.172.279.3099.783.1
Bowers & Wilkins Px8 S2 Px8 S2 Compare 97.599.495.999.472.250.287.197.497.5
Sennheiser MOMENTUM 4 M4AEBT Compare 97.585.177.297.68979.3098.959.5
JBL Live 770NC Compare 97.578.597.284.891.550.270.199.991.5
TOZO HT3 HT3 Compare 87.385.195.998.996.950.296.296.691.5

用途別スコア

Work (49.1)Calls (44.2)Music (61.8)Overall (68.3)Budget (66.4)Gaming (66.6)Studio (62.3)Commute (49.1)

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。

その他の構成1

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