Feature: 1. Space aluminum alloy shell, strong and durable, light weight and comfortable grip as well as anti‑slip when holding. 2. The length of the needle can be adjusted within the range of 0‑2.5mm by rotating the body with the scale line, convenient to operate, safe and fast. 3. Equipped with coreless motor, speed is faster than the ordinary motor, long lasting time and not hot, shock absorption, strong stability. 4. Silent technology, reduce the sound of the motor to release your tension feelings and make you enjoy the quiet tattoo process. 5. 5 Speed adjustment, one‑button control, LCD display can display the current speed and remaining battery power. 6. Firmly lock needle, no fly needle, no ink jet, high color efficiency; USB charging wireless design, built‑in large capacity lithium battery. Specification: Item Type: Tattoo PenMaterial: Aluminum Alloy + High precise steel Battery: Built-in lithium battery 600mAh Needle: A7 Needle Length: Approx. 0 ~ 2.5mm / 0 ~ 0.1in Maximum Speed: 22000-35000rpm Speed: 5 Speed control Length: Approx. 133mm / 5.2in (without needle) Maximum Body Diameter: Approx. 20mm / 0.8in Application: Eyebrow, eyeliner, lip, small tattoo, MTS Usae: 1. Fully charge the machine. 2. Install the needle that will be used. 3. Rotate the body with the scale line area to adjust the needle length, the needle length range is 0-2.5mm. 4. Long press the switch for 3 seconds to start the machine, and the LCD screen can observe the current speed and remaining power. 5. The speed can be adjusted by pressing the switch in the power-on state, and the speed can be adjusted in 5 levels. 6. If you want to shut down, long press the open key for 3 seconds to shut down. 8. After turning off the machine, remove the needle. The needle is for one-time use, clean the machine, put it in an appropriate place, and keep it well stored.. Package List: 1 x Tattoo Pen 1 x Charging Head 1 x USB Cable 2 x Tattoo Needle Note: This instrument is only suitable for specially equipped 5V charger, other chargers (such as 12V or higher voltage charger) are strictly prohibited to use.