SOON GO 2.4G Wireless Mouse Portable with USB, 4 Buttons, 1600 Adjustable DPI - Red Slim and Ergonomic Design: Lightweight, Ergonomic and compact design makes the Wireless Mouse comfortable for long time use and perfect for use at home, office or a business trip. It's so easy to take and save space for your travel while put it in your laptop or pockets Auto Power Off (APO): This wireless mouse will automatically sleep after 5 minutes of inactively to save the power, clicking it to wake it up. You can also turn switch off (on the bottom of the mouse) while not use the mouse for a long time Nano Receiver: The mini receiver is storaged underneath the battery cover, it can be inserted permanently in your laptop without worry about damage or losing it. Plug and play technology allows that you don't need to download any drives, just inserting the tiny connector into your computer USB port Supported Systems: Compatible with Windows 7, 8, 10, Vista, XP and MAC OS for Laptop / Notebook / Desktop Computers; Battery Powered 2xAAA .not included) Technologies Technology: This wireless mouse adopts the 2.4G frequency technology, working distance is up to 10M.