Description
OnePlus Buds 4 are true wireless earbuds with an 11mm woofer plus 6mm tweeter dual-driver design, dual DACs and adaptive active noise cancellation rated up to 55dB. They launched in China on 27 May 2025 (CNY 449) and globally in July 2025, with Bluetooth 5.4, LHDC 5.0 hi-res audio support and IP55 dust and water resistance.
China version – please read before buying
- Region: China-market box and manual. The earbuds work with any Bluetooth phone; some app features need the HeyMelody app.
Specifications
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| Model | E513A |
| Type | In-ear true wireless earbuds |
| Drivers | 11mm woofer + 6mm tweeter, dual DACs |
| Frequency response | 15Hz – 40kHz |
| Active noise cancellation | Adaptive ANC, up to 55dB, frequency coverage up to 5,500Hz; ANC / Adaptive / Transparency / Off modes |
| Microphones | 3 per earbud, AI call noise reduction |
| Bluetooth | 5.4, range approx. 10m; HFP, A2DP, AVRCP |
| Codecs | LHDC 5.0, AAC, SBC |
| Battery capacity | Earbuds 62mAh each; case 530mAh |
| Playback (ANC off, AAC) | Up to 11h earbuds; 45h with case |
| Playback (ANC on, AAC) | Up to 6h earbuds; 24h with case |
| Charging | USB Type-C wired (no wireless charging); 10 min = approx. 3.5h playback; full charge approx. 50 min (buds), 80 min (buds + case) |
| Low-latency mode | 47ms |
| Water / dust resistance | IP55 |
| Weight | Earbud approx. 4.73g each; case approx. 39.97g; total approx. 49.42g |
| Other features | Dual-device connection, OnePlus 3D Audio, Golden Sound personalised tuning, AI translation (app-dependent), Find My Earbuds, HeyMelody app |
What’s in the box
- OnePlus Buds 4 earbuds (pair)
- Charging case
- USB Type-C charging cable
- Spare ear tips (several sizes)
- Quick start guide / documentation
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