Features: 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. Intelligent connectivity, no need to code, plug-and play. Ergonomically designed, comfortable to grip and use. With On/Off power switch. Low power comsumption. Decent and modern design. Compact and lightweight, the USB receiver can be pluged into the back of the mouse, easy to carry. Ideal laptop companion for home and office use. Specifications: Original box: Yes Color: Black Item size: 112*57*22mm(max) Package size: 118*67*36mm RF Carrier: 2402-2480MHz RF operation channel: 16 Operation range: 0-10m Tracking Resolution: 1200DPI Operation systems: for Windows 2000,ME, XP, for Vista, 7 Operation current: 15mA, 1.5V USB: USB 2.0 Power: 2 x AAA batteries (not included) Packing content: 1 x 2.4G Wireless Mouse 1 x USB Dongle