"Color: Black, Red, Orange, Silver, GrayStyling, compact and reliable mouse with simple installation and 2.4 GHz wireless technology with 2.4 GHz, performance and control that far exceed that of a laptop touchpad.No software, no cables. Just load the included batteries, plug the wireless receiver into a USB port, and the mouse is ready to go.You get the reliability of a wired harness and the convenience and freedom of wireless - fast data transfers without delays or loss of information.A low battery indicator light eliminates the possibility of accidental power outages. On/Off switch saves more power, and smart sleep mode extends battery life.Product parameters:1. Wireless transmission distance: 10m2. Wireless carrier frequency: 2402MHz-2480MHz3. Wireless working channels: 16, automatic frequency hopping4. Rated working current: 8-15mA@1.5V/3V5. Button stroke: 0.8mm6. Key strength: 50-6010g7. Key life times: 3 million times product features:1. Wireless mouse, stylish appearance, ergonomic design, feel.2. Professional optical positioning technology, more accurate positioning.3. Smart mini receiver, quick connection.4. Up to more than 16 million kinds of ID code design, enhance the anti-interference characteristics of the mouse;5. Arbitrary 360 around the use angle, as far as the control distance of more than 10 meters;6. The intelligent circuit management design makes the mouse smarter and saves power;7. Resolution 800-1600dpi adjustable frequency, enjoy your wireless free space;8. System requirements: Windows2000/XP/Vista/Linux/7/8 and MAC operating system9. Product packaging: PE bag"