M19 TWS Bluetooth Earbuds
Model: M19
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:2000MAH
Transmission distance:>10M
Color: Black (As given picture).
Brand: other
Color - Black