Features:
1. Open-ear design, safer for outdoor activities.
2. Air conduction technology, healthy and comfortable, protect your ear.
3. 8h battery time, satisfying daily needs.
4. Bluetooth 5.1, connect without delay.
5. HD sound experience, intelligent noise cancellation.
6. Simple button design, one-hand operation.
7. Comfortable and stable wearing.

Parameters:
1. Bluetooth version: V5.1
2. Bluetooth profiles: HSP/HFP/A2DP/AVRCP
3. Speaker sensitivity: 113 + / - 3dB
4. Frequency response range: 20Hz-20KHz
5. Speaker impedance: 32 Ohm + / - 15%
6. Rated power: 2mW
7. Speaker size: diameter 14.2mm
8. Bluetooth range: less than or equal to 12m
9. Playtime: about 8h (80% volume)
10. Talk time: about 7h (80% volume)
11. Standby time: about 48h (connected)
12. Battery capacity: 140mAh
13. Charging time: about 1.5h
14. Charging input: DC5V/1A
15. Charging mode: Type-C
16. Material: ABS+silicone
17. Weight: about 23g