1, Bluetooth 5.0, chip: Realtek RTL8763BMF
2. Battery capacity: 90mAh, charging for about 1 hour
3. Talk/music time: 9 hours
4. Standby time 200 hours
5. Size: L99*W67*H31mm; Net weight: 12g
6. Double-mark ENC noise reduction, clearer call
7.Support Chinese and English prompts, three-click multi-function key when not connected