LOGITECH WIRLESS MOUSE M280 HIGH COPY - Perfect Fusion of Functionality. Precision for All You Do. Advanced optical tracking and comfortably wide scroll wheel. Plug-and-Forget Small Receiver: Plug the Nano receiver into a USB port once and forget about it. It's so small that you can leave it in your computer and enjoy a reliable wireless connection that's always ready when you are. Specification: Interface USB 2.0, Wireless or Wired 2.4G Wireless, Optical Type LED, Operating Range 25m, Powered by AA Battery. Package Includes: 1 x Mouse.