Main Features:Professional USB wired gaming mouse Up to 5500DPI sensitivityCompatible with Windows XP， Windows ME， Windows Vista， Win7， Win8， Mac OS etc.Seven bottons - back， forward， left mouse button， right mouse button， firepower key， mouse wheel， DPIWith 1.5m braided wireClassic water flowing crack makes it more attractiveType: Mice Features: Gaming， Novelty Material: Plastic Color: Black Resolution: 5500DPI System support: Windows Vista， Windows 98， Mac OS， Windows ME， Windows 8， Windows 2000， Windows XP， Windows 7 Interface: Wired Cable Length (m): 1.5 m Product weight: 0.170 kg Package weight: 0.212 kg Product Size (L x W x H): 13 x 8.5 x 3.5 cm / 5.11 x 3.34 x 1.38 inches Package Size (L x W x H): 15 x 10 x 5 cm / 5.90 x 3.93 x 1.97 inches Package Contents: 1 x Gaming Mouse