Features 1、2.4G wireless transmission, 10m transmission distance, keep away from messy cable. 2、3 adjustable movement speed(800-1200-2400DPI), easy to switch, accurate positioning, smooth operation. 3、Ergonomic design, the mouse fits palm, delicate hand feel, comfortable to use. Specification Features: 2.4G wireless transmission, 10m transmission distance, keep away from messy cable. 3 adjustable DPI(800-1200-2400DPI), easy to switch, accurate positioning, smooth operation. Ergonomic design, the mouse fits palm, delicate hand feel, comfortable to use. Adapt to a wide range of material surfaces, meet your daily office and entertainment needs. Equipped with USB receiver, plug and play, compatible with desktop computer, laptop. Specification: Brand: YWYT Model: G862 Color: Black/White(optional) Connection method: 2.4G Transmission distance: 10m(barrier-free) Key number: 4 DPI: 800/1200/2400DPI Power requirement: 1*AA battery(not included) System requirement: Windows 98/Me/2000/XP/Vista/Win7/Win8/Win10/Mac OS or later Rated voltage/current: 1.5V/24mA Item size: 11 * 6.5 * 3.8cm /4.33 * 2.56 * 1.5in Item weight: Approx. 51g /1.8oz Packing list: 1 * Mouse Package List 1 * Mouse