Wireless Tattoo Pen
Output voltage: 4-12V, 0.1V adjustment
Motor: Coreless motor/12V-12000RPM
Display screen: OLED-0.78 inch/resolution 128*80
Battery capacity: 1800mAh
Working time: about 8 hours/8V
Charging time: about 2.5 hours
Charging interface: TYPE-C/5V/2A
Stroke: 4.0mm