Experience next-level comfort and productivity with the powerful MK850 Performance. Fly through documents and web pages with hyper-fast scrolling - and type quietly and efficiently on a full-size keyboard with carefully-crafted keys. The cushioned palm rest and curved keyframe gives you the support you need, adjustable tilt legs offer the perfect typing angle, and the contoured design of the mouse fits comfortably in your palm. Type and switch seamlessly between your computer, tablet, and phone. Pair your mouse with up to 3 devices. Any USB-equipped or Bluetooth Smart ready device that supports an external keyboard (HID profile).