Inhouse product
M19 TWS Bluetooth Earbuds:
M19 TWS Bluetooth Earbuds Touch Control Wireless Bluetooth
5.1 Headphones With Microphone Waterproof Earbuds Headsets
Specification:
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