This Wireless Mouse is a good choice for you: 10m Wireless Operation Distance, Ergonomic Design, High Accuracy, High Quality, Modern Design.... 2.4GHz wireless transmission up to 10 meters operating distance. No need driver, plug-and play. Ergonomically designed, comfortable to use. Automatic Power off (APO) Intelligent Power Saving (IPS) Powered by 1 x AA Alkaline battery. (battery NOT included) With an ON/OFF switch. Intelligent power saving management. Low power consumption. Nano USB Dongle. Ultra slim, compact and lightweight, easy to carry. Decent and modern design. Ideal laptop and desktop companion for home and office use. Specifications: Buttons: Left button, right button, rolling wheel Operation range: Up to 10m Operation systems: Windows 98, 2000, ME, XP, Vista, Win 7 and more Power: 1 x AA battery (not included) Color: Black Apple green Item size: 98 * 53 * 18mm (Approx) USB dongle size: 18 * 14 * 6mm (Approx) Packaging size: 128* 75 * 40 mm Original box:Yes Net weight: 54g Package weight: 80g.