Features: brand new and high quality Plastic material. Made of high quality material, durable and wear-resistant. Replacement parts for mouse accessory. Help to repair your mouse, and make it work properly. Ergonomic Design,Comfortable Grip. USB Plug and Play. Specifications: Color: White, Black (optional) Material: Plastic Product model: X300 programmable game mouse(The back cover is interchangeable and equipped with 2 back cover accessories.) Rate of return: 125HZ Moving speed: 32 inches/second Rate: 7000 FPS Acceleration: 20G Number of keys:Six programmable keys + Light mode button. Light effect: 12 RGB light modes are switched. 6 Adjustable DPI, maximum 7200 DPI Rated voltage l Current: DC 5V/180mA Service life of switch: 10 million times Cable length: 1.5M Braided wire+Magnetic ring Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Game Mouse 1 x Mouse back cover