AVA Wireless Tattoo Power Supply
Details: Brand: AVA Wireless Tattoo Power Supply Including: 1pcs power, 1pcs USB line, 1box Size:11.5*7*4.5cm Charging time: 3hours 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