Features: 2.4G wireless transmission technology, 10m transmission distance, stable transmission. 3 adjustable DPI(800-1200-1600DPI), easy to switch, accurate positioning, smooth operation. Ergonomic d more→esign, fit the palm, delicate hand feel, comfortable to use. Simple and lightweight, equipped with USB receiver, plug and play. Adapt to a wide range of material surfaces, meet your daily office and entertainment needs. Specification: Brand: Lenovo Model: M202 Color: Black Connection mode: 2.4G wireless Key number: 4 DPI: 800-1200-1600DPI Battery: 1*AA battery(not included) Supported system: Windows 2000/Win XP/Win7/Win8/Win10 Item size: 9.9 * 6.02 * 3.23cm /3.9 * 2.37 * 1.27in Item weight: Approx.…