Blue Microphones J51
The 13mm dynamic drivers and Bluetooth 5.3 produce deep bass and stable wireless audio, backed by 32 hours of total battery life (7 hours per bud) and an IP7 waterproof rating. Weighing just 3 grams per earbud inside a pocket-sized case, the design prioritizes featherlight comfort for hours of uninterrupted wear. These buds suit budget-conscious commuters and call-heavy users needing reliable, sweat-resistant audio, not athletes tracking intense workouts.
Snapshot
メリットとデメリット
Pros
Cons
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。
日付のある顧客レビュー 25 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
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Design
| Form Factor | in-ear |
| Wearing Style | true wireless |
| Weight | 0.0 kg / 0.1 lbs |
Audio
| Driver Type | dynamic |
| Driver Size | 13 |
| Codecs | Wireless Earbuds, Bluetooth 5.4 Earbuds Stereo Bass, Bluetooth Headphones in Ear Noise Cancelling Mic, Earphones IP7 Waterproof Sports, 32H Playtime USB C Charging Case Blue Ear Buds for Android iOS |
Noise Control
| ANC | Yes |
| ANC Type | Adaptive Noise Cancellation |
Connectivity
| Wireless | Yes |
| Bluetooth | 5.4 |
Earbud Battery
| Battery Life | 7 |
| Charge Time | 1 |
| Fast Charging | USB-C fast charging |
| Charging | USB-C |
Case Battery
| Case Battery | 32 |
| Case Charging | USB-C |
Microphone
| Microphone | Yes |
| Mic Count | 2 |
| NC Mic | Yes |
Features
| Voice Assistant | voice assistant control |
| Touch Controls | Yes |
| Water Resistance | IP7 |
競合製品との比較
| Spec | Blue Microphones J51 | Soundcore Soundcore P31i | JBL Endurance Race Endurance Race 2 | EarFun Air Pro Air Pro 4i | Nothing Buds Buds 2 | Baseus Bass BP1 Pro |
|---|---|---|---|---|---|---|
| Form Factor | in-ear | in-ear | in-ear | in-ear | in-ear | in-ear |
| Driver Type | dynamic | Dynamic Driver | Dynamic | dynamic | dynamic | dynamic |
| Wireless | true | true | true | true | true | true |
| Active Noise Cancellation | true | true | true | true | true | true |
| Bluetooth Version | 5.4 | 6.1 | 5.3 | 5.4 | 5.4 | 6.0 |
| Battery Life Hours | 7 | 10 | 12 | 9.5 | 13.5 | 12 |
| Case Battery Hours | 32 | 50 | 36 | 40 | 55 | 55 |
| Water Resistance | IP7 | IP55 | IP68 | IP55 | IP55 | IP55 |
| Multipoint | - | - | true | true | false | true |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | User Sentiment | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|---|
| Blue Microphones J51 | 88.3 | 79.8 | 33.5 | 54.3 | 79.3 | 93.3 | 79.2 | 70.7 | 75.5 |
| Soundcore Soundcore P31i Compare | 88.3 | 96.8 | 91 | 96.4 | 93.5 | 71.3 | 91.9 | 84.9 | 86.6 |
| JBL Endurance Race Endurance Race 2 Compare | 88.3 | 89.8 | 98.7 | 44.8 | 88.2 | 93.3 | 97.2 | 96.3 | 66 |
| EarFun Air Pro Air Pro 4i Compare | 88.3 | 96.8 | 91 | 87.2 | 85.9 | 71.3 | 97.2 | 92.6 | 99.1 |
| Nothing Buds Buds 2 Compare | 92 | 96.8 | 91 | 67 | 96 | 71.3 | 91.9 | 86.9 | 86.6 |
| Baseus Bass BP1 Pro Compare | 96.7 | 96.8 | 91 | 86.8 | 95.5 | 71.3 | 91.9 | 98.4 | 75.5 |