Sensor: OpticalButtons: 7DPI: 800-1600-2400-3200-4800-7200Switch rating: 5 million clicksPolling rate: 125HzBacklight: RGBWorking voltage: 5VWorking current: 120mAInterface: USB 2.0Braided cable: 1.5 mWeight: 104g (built-in weighted block)Size: 124*68*40mm