Comfortable keyboard and mouse with advanced multi-device functionalities Experience next-level comfort and productivity with the MK850 Performance. Hyper-fast scrolling and a full-size keyboard help you get more done at your desk – and a cushioned palm rest, curved keyframe and contoured mouse let you power through in comfort. Type and switch seamlessly between your computer, tablet, and phone¹. And pair your mouse with up to 3 devices. The combo has been optimized for use with all your operating systems – including Windows, Mac, and Chrome. Quiet, comfortable typing for hours The full-size keyboard features carefully-crafted concave keys and a curved keyframe so you’re always in a natural typing position. Adjustable tilt legs give you the perfect typing angle and an oversized, cushioned palm rest offers the comfort you need to power through. Contoured mouse with hyperfast scroll wheel Fly through documents and web pages with the hyperfast scroll wheel and get more done with custom buttons. The large-sized, right-hand design fits comfortably in your palm – and rubber surface making it extra soft to the touch. Easy-switch keyboard and mouse Type and switch seamlessly between your computers, tablet, and phone. Then pair your mouse with up to 3 devices for the ultimate workspace.