Logitech MK850 Performance Wireless Keyboard and Mouse Combo. Type quietly and comfortably for hours at your desk on a full-size keyboard with cushioned palm rest and carefully-crafted keys. Contoured right-handed mouse with hyper-fast scroll wheel enables you to fly through documents and web pages. Both keyboard and mouse are fully multi-device and multi-OS friendly for powering through projects. Start typing on your computer, then switch and type on your tablet, phone or on a second computer. Pair your mouse with up to 3 screens.