With 2.4GHz RF wireless technology you can enjoy working at any angle and at distance of up to 30 ft. The design of this keyboard with splitted key zones and gently sloped shape encourages natural position of hands wrists and forearm in maximum comfort for long use. Get instant access to your commonly used Internet and multimedia tools with the 20 built-in hotkeys this keyboard has to offer. The advanced laser sensor technology lets you work on almost any surface with improved speed accuracy and reliability than traditional mices. Quickly and easily adjust mouse DPI resolution (800/ 1200/ 1600) for a faster response with the convenient DPI Switch located at the top of mouse. This mouse also includes two convenient side internet forward & back buttons for quick Internet navigation.