1. The tattoo pen adopts adjustable stroke design, with 7 adjustable needle strokes, which can meet the needs of different tattoo styles, allowing professional artists to freely display their creativity. 2. The design of the pen conforms to the principles of ergonomics, which can reduce hand fatigue and make users more comfortable and relaxed during long-term operation. 3. The stroke can be adjusted by changing the length of the pen tip, making this pen suitable for all tattoo styles. 4. The pen adopts a high-grade coreless motor, which has a more direct power transmission method and brings a more precise tattoo effect. 5. The working voltage of the pen is between 5-10V, and it has a durable, stable, and highly conductive RCA socket, which ensures the reliability and stability of the pen and makes artists feel more at ease during use.