Wireless Ergonomic Design: Split key zones and sloped shape provide natural positioning for hands, wrists, and forearms for maximum comfort 2.4 GHz RF Technology: Wireless connectivity with a 30 ft range and on/off switch to conserve battery life Adjustable DPI Optical Mouse: Switch between 800, 1200, and 1600 DPI for precision control; includes navigation hotkeys for easy web browsing Multimedia Hotkeys: 17 built-in hotkeys for instant access to internet and multimedia functions Quiet and Comfortable Typing: Low-profile chiclet keycaps with a 5 million keystroke lifespan ensure a smooth and silent typing experience