Compact and Slim Design Ideal for Notebook Users With the compact design, the VENTO MS-63 mini optical mouse is ideal for Notebook users for easy portability. Shop Modal header Compact and Slim Design Ideal for Notebook Users Double-lens technology applicable over various surfaces Scratch proofing outlook with elegant UV coating USB interface for simple, plug-and-play setup High resolution up to 800 dpi High speed motion detection up to 28 inches/sec Compatible with Windows 95/98/2000/ME/XP/NT/Vista, Mac OS 9/X ASUS VENTO MS-63 color options MS-631U MS-632U MS-633U