about this project Cross-Computer Control - Game-changing ability to seamlessly navigate two computers and copy-paste text, images and files from one computer to another using Logitech FLOW Dual connectivity - use with up to three Windows or Mac computers and laptops via the included Unifying receiver or Bluetooth Smart wireless technology Long battery life - Logitech M585 keeps running ULTRA PRECISION SCROLLING - Micro precision wheels contain more grooves per millimeter to make scrolling long web pages faster and easier Curved Design - The domed shape provides comfortable right hand support for your palm during long hours of work or play Note: If it is a wireless mouse, the USB receiver will be inside the mouse or provided with the mouse