Product Type TrackballManufacturer Part Number 910-000806Manufacturer Website Address www.logitech.comMovement Detection OpticalPackaged Quantity 1Standard Warranty 3 Year LimitedManufacturer LogitechProduct Model 910-000806Product Name Trackman Marble TrackballProduct Line TrackManProduct Series MarblePointing Device Connectivity Technology WiredPointing Device Wireless Technology Not ApplicableGreen Compliance YesNumber of Total Buttons 2Pointing Device Host Interface USB