Logitech Mk850 Wireless Keyboard and Mouse ComboRight-hand surround mouse with ultra-fast scroll wheel lets you navigate documents and web pages.Type quietly and comfortably for hours at your desk using a full-size keyboard with palm rest and carefully crafted keys. Both keyboard and mouse are fully compatible with multiple devices and multiple operating systems to power projects.Start typing on your computer, then switch back and type on your tablet, phone or another computer.Features 1000 dpi optical resolution for silky smooth motion