Built-in rechargeable lithium battery for long-lasting battery life
Weight: 72g
Battery specification: 3.7V/650mA
Rated voltage: DC 5V
Size: 75*75*37mm
Charging time: about 3.5 hours
Working time: about 8 hours (automatically stop after 2 hours)/USB connection: Continuous Work.
Material: environmental protection PP
color: White