1. Material: silicone + electroplating PC 2. Size: Silicone case: 12.7x4.5x2.2cm Single side cover: 11.5x2x0.5cm 3. Comfortable to touch, durable, anti-scratch, anti-drop, protect the machine 4. When the machine does not need to be taken out, the device can be used normally, charging, power display, etc. 5. The main body can be connected with a USB data cable, and there is no need to take it out when charging
