Bluetooth chipset :JL 6983D
Battery: 40mAh*2+300mAh
Speaker: Φ10MM
Bluetooth Version:Build V5.1
transmission frequency:2.4GHz
Walking time: 5 hrs
Transmission distance：30m
Charging time: 1.5hrs
Working Current:12mA
Standby Current:1mA
Data interface: Type-c
Input interface：USB stereo
Function:
Control Volume and Calling
Music Previou/Next/Pause/Start