description:...optical mini- trackball solution delivers superb working performance and with the adjustable jig, you can use with either hand reducing any wrist injuries.It has two built in hotkeys to increase your working efficiency as well as media center control
features:- optical mini- trackball solution for notebook traveling with limited space- 2 Vista hot keys: Flip 3D application and instant access to MCE- adjustable jig designed for best working posture- retractable cable for easy storage - suitable for either hand- port: USBsystem requirements:- PC Pentium 233 compatible or higher- Windows 2000/XP/XP x64/Vista or MAC OS X 10.2.8 or laterpackage content:- Traveler 350 Trackball- notebook jig- CD driver for Windows - pouch- quick guidespecifications:- interface support: USBsystem support:- Windows 2000/XP/XP x64/2003 & Vista- MAC OS X 10.2.8+5 buttons for:- left-, right-, middle button with wheel- Vista Flip 3D- MCE- dimension: 65x80x25 mm- dimension of gift- box: 190x142x48 mm- body weight: 77g