Daffodil WMS335R Wireless Optical Mouse 2.4GHz - Cordless 3 Button PC Mouse with Scrollwheel and Adjustable Sensitivity (MAX DPI: 2000) - For Laptop / Netbook / Desktop Computers - Supported by: Microsoft Windows (8 / 7 / XP / Vista) and Apple MAC (OS X +) - Battery Powered (1xAA Inc.)