Product Specification:
1. Model: M90 pro
2. Bluetooth specification: V5.2
3. Bluetooth Profile: A2DP, AVRCP, HFP, HSP
4. Working voltage:3.1V~4.2V
5. Charging voltage:5V-1A
6. Battery capacity of the headset: 40MAH
7. Battery capacity of the storage box:1200MAH
8.Transmission distance:>10M
9. Call time: About 4-5 hours
10. Playtime: About 4-5 hours
11. Waterproof: IPX5
12. Charging time of headset:1h
13. Charging time of the Charging box:2h
14. Support system: All Bluetooth devices and mobile phones
