Specification:
Material: ABS
Colour: Black
Power supply: built-in 2000 mAh polymer lithium battery
Product size: 9cm*4.6cm*2cm/3.54*1.81*0.79"
Product weight: 56g
Packing weight: 150g
Bluetooth version: 5.0+EDR
Transmission distance: 10m
Working hours:20 hours
Standby time:270hours
Charging time: 1 hours
Charging interface: Type-C
Charging voltage: USB 5V 1A-2A
Rechargeable Bbattery:3.7V/2000mAh polymer