Setup is fast and easy—just plug the cable into a USB port and use it right away. Usable as Left-handed or right, you'll be comfortable hour after hour with this full size ambidextrous design. Make no false moves. You can't go wrong with precise optical tracking. It's a smooth mover—with or without a mouse pad. Connector/Port/Interface: USB 2.0; Left/Right Hand Use: Left/Right; Mouse Technology: Optical; Wired/Wireless: Wired.