Specifications:

Model: M19

Bluetooth Version: 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 3000MAH

Transmission Distance :10M 

LED Digital Power Display

Hifi Sound Quality

Can Be Used As PowerBank & Flashlight

HD voice assistant

Waterproof & Sweatproof Strong Endurance

Package Included:

1 pair of earphone

1*charging cable

1*manual