1. .2.4GHz wireless optical technology 2. High resolution: From 800-1000-1600dpi 3. Symmetrical design, suitable for operation with both hands 4. Receiving distance: 10m. 5. Color Available :Any color 6.Support operating system Windows 98/Me/2000/XP/NT/Vista, Mac OS X10.2 7. Built in GP battery. 8. Mouse Size: L92xW53xH36mm