A modern, ultra-light wired ART optical mouse dedicated to beginner gamers. It is distinguished by its ergonomic shape and adapts very well to the hand, guaranteeing comfort of use. The mouse fits perfectly in the hand and does not slip on the surface. It has a backlit roller, six buttons, m.in. for changing the resolution and web navigation, and a USB port. Specification: Transmission: Wired USB Technology: Optical - Gaming Port: USB Resolution: 6400 dpi Number of buttons: 6 Number of rolls: 1 Under Roll Button: Yes Backlit Roll: Yes Resolution Change Button: Yes Non-slip Coating: Yes Other Features: Ultra-light 30g Compatible with: Windows 98/ME/2000/XP/Vista/7