Features:
- Powered by Swiss Motor,Motor speed :13000/m,High frequency and high power !
- Stroke length: 3.70MM &3.2MM
-Built-in damping adjustment for more precise adjustment.
- The softness and hardness of the needle can be adjusted freely to meet different working needs, Liner& Shader can be easily switched.
- Efficient and advanced new drive system is better than HAWK Pen, giving people the ultimate silent experience and best heat dissipation
- The pen spring can be easily disassembled and assembled in 1 minute without any technical requirements and easy maintenance.
- Low working voltage : Use HAWK cartridge needles <7.5V Other Cartridge needle 6.5-7V