Sensor: SteelSeries TrueMove Air, Sensor Type: Optical, CPI: 100–18,000 in 100 CPI Increments, IPS: 400, on SteelSeries QcK surfaces, Acceleration: 40G, Polling Rate: 1000Hz / 1 ms, Hardware Acceleration: None (Zero Hardware Acceleration), Back Cover Material: Black Matte Finish (Onyx) | White Matte Finish (Snow), Core Construction: ABS Plastic, Shape: Ergonomic, Right-Handed, Grip Style: Claw, Fingertip, or Palm, Number of Buttons: 6, Switch Type: SteelSeries mechanical switches, rated for 80 million clicks, Illumination: 3 RGB Zones, Weight: 68g, Length: 120.55mm / 4.75 inches.