Model: G100 - Brand: HP® - Product: Black Optical Gaming Mouse The connection is wired via USB. Method of Tracking: Infrared Optical - Sensor: PAN3 - Resolution: 800-1200-2000 dpi - Button count: 4 - Button Press Force: 70 ± 5g - Button Press Distance: 0.7mm Press Button Life: Up to 20 Million Presses The rubber cable is 1.8 meters long. Measurements: 122 (L) by 65.25 (W) by 39.25 (H) mm The mass is 142.6g ± 5g.