Details:

Brand: AVA?Wireless?Tattoo Power Supply

Including: 1pcs power, 1pcs USB line, 1box

Size:11.5*7*4.5cm

Charging time: 3hours

Working time: 5 – 8 H

Charging?voltage: 5V/1A

Working voltage: 4V~12V

Press and hold button green to turn on and increase voltage
Press and hold button red to turn off and decrease voltage