Advantage & characteristics 1. Brand new appearance , industrialized design, simple and elegant. 2. Modular design, stable, safe, convenient. 3. Optimized the cable collection locks design, more humanized. 4. Added the ring tab on the back cover , easier to disassemble. 5. New buckle design, safe and easy. 6. Updated fixing connector, more safety. 7. New corner protection design, better on protection. ◎ Modular design Adopting modular design, module, driving board, receiving card and power supplier are connected by pins. True wireless design improves safety and stability from the root, fire proof up to V-0 grade.