The lightest  wireless Gaming Mouse
Dimension (W*H*D): 118*62*37 mm
Weight: 57g

*Newest Gaming Appearance design
*Sensor: 3395
*Adjust DPI shift ability: 100-26000 
*Polling Rate: 1000Hz
*Key life: 80 million times 
*Support windows 2000/NT/ME/XP/Vista/7 and Mac OS 8.6 or higher version
*Battery: 3.7V/500mAh