Make long work days easier. Thanks to the ergonomic design, typing for long periods of time is more comfortable and strain on your hands and wrists is reduced, while the slender construction offer a sleek appearance. Programmable hotkeys let you access frequently used programs and functions with the press of a button. The mouse wheel offers four-way scrolling for easy browsing, and BlueTrack technology delivers accurate mouse tracking on almost any surface. 104-key keyboard and six-button mouse for easy navigation. Ergonomic design to keep you comfortable while using your computer. Optical mouse allows you to have complete control over cursor movement. Calculator, volume, search, mute, and play/pause keys make it simple to trigger common actions on the fly. 2.4GHz connection eliminates delays and interference from your computer to the mouse and keyboard. Wired/Wireless: Wireless Operating System Compatibility: Android 3.2 or later MacOS X 10.7 or later Windows 7, 8,10 Keyboard Design: Full-Size Mouse Type: Optical.