Super-Fast Mouse: Logitech’s streamlined MK850 mouse with super-fast scroll wheel lets you scroll through documents blazingly fast. Sensor resolution: 1000 dpi Technology Easy-Switch: With Easy-Switch for Logitech Keyboard and Mouse, you can type text on your computer and then switch to your smartphone or tablet Logitech Duolink Option: The option to download to your PC or Mac Logitech DuoLink links the wireless keyboard and mouse combo for custom Windows and Apple functionality Logitech Unifying or Bluetooth Smart: Choose the best way to connect your current device and those you’ll have in the future. future with the Logitech Unifying Mini USB Receiver Easy to Use: The Logitech MK850 mouse’s extra-large padded palm rest and rubber surface bring you everyday typing comfort