Spec:
Item Type: tattoo pen
Material: Aluminum alloy, electronic components
With Power Machine Size: Approx. 130 x 41mm / 5.1 x 1.6in
With Rca Adapter Machine Size: Approx. 114 x 41mm / 4.5 x 1.6in
Replacement Battery Size: Approx. 57 x 31mm / 2.2 x 1.2in
Battery: Built in 2 x lithium battery 2400mAh
Process: CNC fine engraving
Stroke: Approx. 4mm / 0.16in
Battery Interface: Type c interface (USB C)
Use Time: Can continue to work 7-9 hours
Charging Time: Fast charging, no power state 3 hours can be full
Operating Voltage Range: 5-12V;
Voltage Regulation Accuracy: 1V
Motor Speed: 12V 12000rpm
Structure: All in one lithium battery pen structure, built in lithium battery, battery parts can be rotated and removed
Needle: Universal 99% of the tattoo cartridge needles on the market

How to Use:
1. Install the battery, tattoo needle, adjust the length of the needle2. Long press the power button to turn on and off, short press the power button to pause and restart3. Short press the voltage adjustment button to adjust the voltage, the voltage adjustment accuracy is 1V4. Voltage adjustable range is 5‑12V.

packing list:
1 x RCA Adapter Tattoo Pen
2 x Replacement Battery
1 x USB Charging Cable
4 x Replacement Fixed Rubber Ring (2 x Large Rubber Ring, 2 x Small Rubber Ring )