Say hello to tangle and clutter free desk with Retrak Flavours Green Retractable Optical Mouse. The hassle-free setup optical mouse has an 800 DPI optical sensor, precision cursor control. It extends up to 2.6ft, and it is compatible with Windows and MAC. The mouse is approximately 3" x 2" x 1" in size and comes packaged in a 6.25" x 3.50" x 1.50" hanging box.