Sensor model: Optical (Pixart P3327) Interface: USB DPI: 1000 / 1500 / 2500 / 3000 / 5500 / 6200 Cable length (m): 1,8 Number of buttons: 6 programmable buttons Color: Black Stroke height: 0.7 mm Actuation force: 70±-5g Button lifetime: 20 million clicks More information:  RGB backlight Max acceleration: 30 g ...