Daffodil WMS106 Wired Mini Optical Mouse - 3 Button PC Mouse with Scrollwheel and Internal LED Light - For Laptop / Netbook / Desktop Computers - Supported by: Microsoft Windows (7 / XP / Vista) and Apple MAC (OS X +) - No Batteries Needed Ergonomic 3 Button Design  Comfortable use for right and left handed operators Scroll Wheel - Easily move up and down documents and web pages USB Powered - No need to replace batteries Light and Compact - Easily fits into your laptop case Plug and Play - Quick set up for your PC