3 Button Optical Scroll Wheel

Features
• USB & PS/2 Combi
• Button life over 3,000,000 times
• Innovative extra wide noiseless scroll wheel
• 3 Button optical mouse with blue light wheel  
• Incorporates latest optical technology
• High Resolution up to 800dpi
• Symmetrical design - suitable for left & right handed users
• Easy Zoom In/Out
• Compatible with Windows: 98 & NT(PS/2 mode only)  ME/2000/XP/VISTA