Features: 2.4G wireless transmission, 10m transmission distance, keep away from messy cable, wide compatibility. 3 adjustable DPI(1200-1600-2400DPI), easy to switch, accurate positioning, smooth operation. Ergonomic design, the mouse fits palm, not easy to fatigue, comfortable to use. Fashionable and slim design, convenient to carry. Intimate silent design, no need to worry about disturbing others. Equipped with USB receiver, plug and play, compatible with desktop computer, laptop. Specification: Brand: YWYT Model: G864 Color: Black/Silver(optional) Material: ABS Connection method: 2.4G Transmission distance: 10m(barrier-free) Key number: 4 DPI: 1200/1600(default)/2400DPI Battery capacity: 500mAh Cable length: About 80cm System requirement: Windows 98/Me/2000/XP/Vista/Win7/Win8/Win10/Mac OS or later Rated voltage/current: 3.7V/18mA Item size: 11.4 * 6.3 * 3cm /4.45 * 2.48 * 1.18in Item weight: Approx. 71g /2.5oz Packing list: 1 * Mouse 1 * Charging cable