The Adesso Wireless Ergonomic Keyboard & Optical Mouse offer users two advanced input devices with ergonomic design, multifunctional features and a wireless range of up to 30 feet. The design of this keyboard with splitted key zones and gently sloped encourages natural position of hands, wrists, and forearm in maximum comfort for long use. The new chiclet keycap with its larger keycap surface makes typing easier and blends in with the keyboard to make a stylish design. The included wireless optical mouse not just provides comfortable ergonomic design but also equips with a DPI switch for changing resolution (800/1200/1600) and two Internet navigation buttons. Features: 2.4 GHz RF WirelessTechnology with On/Off Switch This keyboard and mouse work at any angle with a range of up to 30 ft. with no wires to get tangled. The On/Off switch helps conserve battery power on both devices, and the low battery indicator helps you know when it is time to change batteries. Split Ergonomic Design 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. Built-in Scroll Wheel The Built-in Scroll Wheel makes scrolling within documents a breeze. Users canachieve higher work efficiencies by elimina-ting the need to switch between their keyboard and mouse. Low-profile Chiclet Keycaps The low-profile Chiclet Keys Provide a Quiet, Comfortable Typing Experience with its Sleek and Sturdy Design and a 5 million keystroke life. Adjustable DPI Switch Quickly and easily adjust DPI resolution (800/ 1200/ 1600) for a faster response with the convenient DPI Switch located at the top of your mouse. Ergonomic Design The iMouse M70 ergonomic design provides a comfortable grip and eliminates hand strain, while giving great cursor control.