M10 TWS Bluetooth 5.2 Earbuds 1.Model:M10 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: 50MAH 7.Battery capacity of the storage box:2000MAH 8.Transmission distance:>10M 9.Call time:About 6 hours 10.Play time:About 6 hours 11.Waterprof :IPX7 12.Charging time of headset:1h 13.Charging time of the Charging box:2h 14.Support system:All Bluetooth devices and mobile phones