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*NOT compatible with Cheyenne machines. If you are looking for a model for Cheyenne, please follow this link to order one: https://onlytattoosupply.com/product/new-mini-tattoo-power-battery-pack-for-wireless-operation-of-tattoo-machines
Press to turn on or turn off
Press + or – button to adjust the voltage by 0.1V
Press and hold the + or – button to adjust voltage faster
The 1st LED indicator is Voltage.
The 2nd is remaining capacity.
The 3rd is working time