Description : Lenovo M202 is ready. Simply plug the receiver into a USB port on your device to start working in seconds. The small size and smooth cursor control make it great for tight workspaces and busy desks. Features : The 2.4GHz Wireless connection virtually eliminates delays, dropouts and interference and gives you a range of up to 10-meters. Plug and play with USB receiver. Ergonomic design, follows the natural curve of your hand, comfortable for both left- and right-handed users. Compact and wireless, the mouse fits easily with your laptop in a bag, so you can take it anywhere you work. The optical sensor allows you to track with smooth and accurate cursor control on almost any surface. 3-Speed DPI switchable, 800-1200-1600, you can control the speed more freely and easily. Parameters: Item name: Lenovo M202 Wireless Mouse Color: Black Connection Type: 2.4GHz wireless connection Wireless range: about 10m DPI (Min/Max): 800-1200-1600DPI Number of Buttons: 4 Scroll Wheel: Yes,