1. High-precision rubber coating structure, TPU 2.0 mm thickness+ Arcylic 2.0mm thickness,
2. Built-in magnet: magnetic strength 2800 Gauss, model: N52,
3. Supports wireless charging, car magnetic suction,
4. Hidden 360 rotating aluminum alloy bracket,
5. Owning Patents from: GB,EU,US, ROHS certificate
6. Mechanical sound made while rotate the ring