Wireless Wave Keyboard & Mouse Combo is all about comfort & productivity. Your hands get cradled in comfort by the Comfort Wave design of the keyboard. Laser mouse has contoured sides & soft rubber grips. Both are so energy efficient you just might forget they use batteries at all. The Unifying receiver connects both the keyboard & mouse, with long-range advanced 2.4 GHz wireless connectivity. Maximum Wireless Range: 30 ft; Connector / Port / Interface: USB 2.0; Wired / Wireless: Wireless; Operating System Compatibility: Windows XP, Vista, 7, 8, 10.