A20 2.4GHz Wireless Optical Mouse with USB Receiver - White (1*AA)
Model: A20 - Color: White - 2.4GHz radio frequency wireless link - 4-Speed adjustable: 800/1000/1200/1600DPI - No software. No complications. Just insert the included battery plug the wireless Nano-receiver into a USB port and the mouse is ready to use - Compact Nano USB receiver can be hidden and stored inside the mouse - Wireless range: 10 meters - Powered by 1 * AA battery (included)