Advantage:
1.One-button switch, equipped with digital display gear, display gear speed is more intuitive
2.Wireless use, built-in 500mAh battery capacity.
3.6 speed adjustment, compared with 5 speed, the speed is more refined.
4.16P cartridge has a larger operation area
5.cartridge adopts three interface modes, and the triangular power transmitter is designed to receive more uniform force.
The-Needle-Length: 0.25mm adjustable