Alimentatore W1 - Batteria corta wireless RCA

Large battery capacity:
This wireless tattoo power supply has a power of 1500 mAh. With 2 hours charging, the wireless battery can work for 4-6 hours, depending on personal use. 

It is compatible with all RCA tattoo pens and rotary tattoo machines. The interface is a standard RCA connector.
Connect the tattoo pen, press for 3 seconds to turn on/off. And you can adjust the voltage by clicking the voltage + and voltage button between 4-12 V. The battery symbol will flash when the battery is low. 

Easy to charge and carry - applicable type C mobile phone adapter.