JUNMIAO | Wireless Tattoo Machine 2.5-4.5mm Adjustable Stroke Large Capacity 2pcs 2200mAh Battery OLED Color Screen Tattoo Pen

Specification:Battery capacity: 2200 mAhInterface: RCANeedle discharge length: 4.5mmMotor speed: 12V / 12000RPMOutput voltage: 4.0V-12.0VPower battery life: about 7-10 hours (8V working state)    Features:1. Customized professional motors, strong power, long-lasting and stable, helping to improve creative level.2. Puncture function: It can adjust the frequency of puncture, and achieve multiple tattoo styles as fast or slow as possible.3. High-resolution color screen, the screen display is delicate and clear, and the content display is rich.4.360° rotation adjusts the needle stroke, the third-generation plum blossom disc drive structure has a longer life and a better experience.5. Large capacity battery, 2200mAh large battery, super large capacity worry-free battery life.6. Wired or wireless, using RCA adapter, which is highly versatile, and the two methods can be switched at will.7. Power management chip, fast charging, strong compatibility.