Connect your keyboard & mouse with one tiny Logitech Unifying USB receiver. You'll get a reliable, encrypted & wireless connection up to 30 ft away with virtually no delays or dropouts. The keys have been optimized for improved accuracy & reduced noise. Your fingers will immediately feel at home on the familiar key surface & layout. The palm rest & adjustable tilt legs keep you comfortable for long stretches at the desk. The wireless mouse's contoured shape & soft rubber side grips are designed to fit comfortably in either your right or left palm. Enhanced tracking & precise cursor control keep you in command. Convenient & essential hot keys give you direct access to media, calculator & battery check functions. Preset Function keys can even be personalized in Logitech Options to meet your specific needs. Your keyboard won't require new batteries for 36 months & your mouse stays powered for 18 months. The keyboard is spill resistant to 60 ml of liquid & abrasion resistant key printing ensures your keys won't quickly fade. Maximum Wireless Range: 30 ft; Connector / Port / Interface: USB 2.0; Wired / Wireless: Wireless; Operating System Compatibility: Chrome OS; Windows 7, 8, 10.