Tattoo Wireless 3.7V Lithium Battery 2000mAh,LED- Digital Display,the screen displays the current voltage, the proportion of remaining power and the working time of the startup, and the three data are scrolled and switched.
The voltage can be adjusted through button (+) and (-) respectively with the voltage of 0.1 V on each press.
8-10 Working Hours
Easy LCD Display: Voltage Speed, Battery Life, and Timer
Easy soft silicone button press for voltage adjustment or turning off/on machine
-Length, Width And Height: 10 x 6 x4 cm -Gross Weight Per Piece: 0.2kg -Conventional Packing: 1pcs/box