Wireless Rotary Tattoo Pen Battery Pack DC 1300mAh Rechargeable Power Supply

SpecificationsBattery Capacity: 1300mAhCharging Port：Type-cWorking Voltage: 4-12VPower Supply Size：φ31X67mm（RCA）Power Supply Size：φ31X67mm（DC）WX-6 Power Supply lnstructions1.Output voltage 4/-12V corresponds to the displaynumber 4.0-12.0.2.Charging voltage DC5V/1A, TYPE-C port. The remaining battery level is displayed on the right sideofthe screen, with each horizontal bar representing 25%. The horizontal bars will