description:...exclusive eye- catching carbon mouse - it has a unique carbon fiber cover that is scratch-resistant. The advanced laser technology makes this mouse work reliably on most types of surfaces and offers much higher tracking power than regular optical mice.While you are playing games, you can switch the resolution of Navigator 335 to 1600 or 800 dpi with the LED hot key (no driver needed).It also provides a programmable gaming turbo buttonfeatures:- Laser gaming mouse with unique carbon cover- fast keys to switch dpi; 1600/800 dpi - no driver needed- start gaming turbo functions- advanced 1600dpi laser sensor- mini design is great for Notebook userssystem requirements:- IBM PC Pentium 233 compatible or higher- Windows Vista/XP/XPx64/ME/2003/2000/98SE- MAC- OS X 10.2.8 or higher- available USB port- CD/DVD-ROM drive for software installationpackage content:- mouse Navigator 335 Carbon Ruby- CD with driver- quick quidespecifications:- interface support: USB- resolution: 1600/800 dpi Laser engine- special function: carbon cover --> scratch resistantnumber of buttons: five- left-, right-, middle- button with wheel- DPI switch and Turbo buttonsystem support:- Windows Vista/XPx64/XP/ME/2003/2000/98SE- Macintosh with OS X 10.2.8 or higher- body weight: 80g- dimension: 101x56x36mm- giftbox size: 220x190x55mm