1. Back and set up reasonable ventilation holes, effectively reduce the machine long time heat accumulation, to protect the stable operation of the equipment. 2. Protective cover fits the body, USB port, battery compartment, microphone and other positions are reserved for precise openings, the use of the process without frequent disassembly of the protective cover, take the battery, charging more convenient. 3. Designed for the lens protector, the cover does not affect the installation and removal of the lens protector, to protect the lens safety. 4. Edge fit scientific design, avoid the lens perspective area, does not interfere with the double lens splicing, keep the panoramic picture seamless. 5 The outer is treated with delicate frosted finish, which is smooth and comfortable to hold, and at the same time, it has anti-fingerprint and anti-slip performance to enhance the using experience. Color: Black Material: Silicone Package Contents: 1 * Protection Case Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.