SpecificationsMfr Part Number: MO-159RPFeatures:USB 3-button optical mouseModern carbon-fiber printErgonomic design for great comfort and relaxing wrist positionUSB-connected plug and go readyInterface: USBMaterial: ABSTracking Method: OpticalCable Length: 1800 mmResolution: 1000DPIButton Life: > 30 million timesOperating Voltage: 4.5V - 5.5VSystem Requirement: Windows 98SE/ 2000/ XP/ Vista/ 7/8/Mac OSColor: BlackDimensions: 114.0 x 70.0 x 38.0 mmWeight: 82.0 g