Razer Imperator Ergonomic PC Gaming Mouse 

Mouse / Laser / cable / USB / General / 4000 or more DPI / 7 buttons / down / DPI changing / anti-tangle cable / Ergonomic design / 4G Dual Sensor / 1ms Response Time / 50G acceleration / position adjustable side buttons / Always-On mode / gold-plated USB connector / 2M fabric cable / change DPI: adjusting to the support program, two button tops