Digital display black RCA/DC mini wireless tattoo power bank with USB charging cable tattoo equipment

Specification:

Color:Balck

Plug specification: RCA/DC

ConnectionSize: 2.3X3X6.2cm

Battery capacity:2000mA

Operating Voltage:4-11V

Input voltage:DC 5V/1A

Output voltage:4.2-12V

Use Time:Continuous chargingfor 1 hour can be full, the voltageis turned on at 6-8V and can be usedfor 2-3 hours