Credit OptionsModel:M10B.
Bluetooth specification:V5.1.
Bluetooth Profile:A2DP,AVRCP, HFP;HSP.
Working voltage:3.1V~4.2V.
Charging voltage:5V-1A.
Battery capacity of the headset: 50MAH.
Battery capacity of the storage box:3500MAH.
Transmission distance:>10M.