Features: 1. Integrated BT chip, offers fast speed, stable connection, allows transmission of 10 m without obstacle. 2. Compatible with mainstream devices, suitable for multi-platform, multi-system, and major brand mobile phones. 3. Effectively block external noise, and real-time audio calibration can maintain a high-quality listening experience. 4. Rechargeable battery. Long battery life, can provide full-featured wireless playback. Perfect for exercise, running, sports and games.
