1. Needle fine diameter 0.18mm it's more thin than others, the configuration of 16 pins are more compatible with skin texture, less trauma and skin recover soon.
2. 3 Slots Design of Upgrade Connector. The machine and cartridge are closely connected, with stable and reliable connection.
3. Wireless model, strong battery life, wider usage scenarios.
4. It's easy and safety to make skincare at home.