Specification: Brand A4TECHModel Bloody R72 Pro DuoColor BlackSensor PAW3395 Gaming Optical EngineWireless Transmission 1msOperation Range 10 mDefault Resolution 400-800-1,000-1,200-1,600-2,000 CPIAdjustable by Software 50~26,000 CPIFrame Speed Self-AdjustingAdjustable by Software Self-AdjustingAcceleration 50 GTracking Speed 650 IPSReport Rate 1000Hz AdjustableBattery 300 mAh Lithium BatteryCharging Time ≤ 1.5 HoursPlaytime ≤ 80 HoursMicro-Switch Over 30 Million Clicks (Left / Right Button)Wheel Over 800,000 ScrollsUSB Type-C Soft Braided Cable 180 cmUSB Type-C PVC Cable 180 cmWarranty 01-Year Brand Warranty