Features: NEW 2.4GHz 2.4G ultra-slim mini USB wireless optical mouse mice for Macbook PC laptop. 2.4GHz wireless transmission up to 10 meters operating distance. Intelligent connectivity, no need to code, plug-and play. Ergonomically designed, comfortable to use. New non-delay technology. 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: Tracking Resolution: 1600 DPI Buttons: Left button, right button, rolling wheel, dpi switcher Operation range: Up to 10m Operation systems: Windows 98, 2000, ME, XP, Vista, Win 7 and more Power: 1 x AA battery (not included) Mouse size: 104 x 62 x 25mm USB dongle size: 20 x 14 x 6mm Rated Voltage:3V Rated Current:13mA Color: black Packing content: 1 x 2.4g Wireless Mouse 1 x Wireless Receiver