1High frequency needle discharge makes the color inject evenly into the skin. 2Low vibration ensures accurate operation. Low noise, more satisfactory operation, more comfortable for customers. 3Numb free operation, fine lines, natural effect. Ergonomic designs, easier for tattoo artists to use, more comfortable. 4Small instrument, easy to store and carry, wide range of application. 5Suitable for eyebrow tattoo, lips, eyeliner tattoo, small tattoo, etc. Meeting different demands.