Doinshop (TM) New Fashion 3200 DPI Wireless Optical Silent Gaming Mouse For PC Laptop Gamer Mini adapter Plug and play, Optical tracking method, Intelligent network functions, USB 2.0 Interface Wireless transmission, the longest sensing distance up to 10-15 meters, Portable and weight light, very convenient to carry and store, Power switch for save power With 6 Keys, including Scroll Wheel, Page Forward and Page Backward buttons for easy Internet Surfing, Up to 10 meters of operating distance Power Supply: 2 x AAA Battery(Not included); Package include: 1PC Mouse & 1PC USB Receiver & 1PC Mouse MatRandom Color DPI:800-1200-1600; System Compatibility: Windows / Linux or Mac OS