Check the listing for details. Tattoo Machine Pen Rechargeable Battery Strap Charging Cable Voltage Controller. Color: Black, Condition: New. Listed at 29.99 USD. 1. Come with a 1400mAh Type-C charging battery ,wireless freedom during work.An additional RCA cord,can also working with a power supply. 2. With dimensions of 9.8cm(3.86inch ) in length and 2.85cm(1.1inch) in diameter, it ensures comfortable handling. 3. Come with a voltage regulator,easy to increase or decrease the voltage during working. 4. It use a high quality silence motor,fast speed and long life performance,powerful and noiseless. 5. The machine is very light and less vibration,easy for handing,can work comfortable for a long time without hand tired.  It is convenient to use a cartridge needle ,easy to replace needle.  Includes：  1 x Tattoo machine pen 1 x Type-C charging battery 1 x RCA Cord 1 x Type-C charging cable 1 x Strap 1 x Voltage regulator.