** New 2 Inch Trackball Revision 2 by RetroArcade.us designed specifically for PC and MAC via USB port** Product Information The RetroArcade.us Trackball is an "Arcade Quality" trackball and will work with your PC or Mac. The device will be automatically configured as soon as it is physically plugged into the PC/Mac.This is an excellent trackball for use with Computer Systems, very smooth operation.Technical Size:Width: 2-13/16 InchesLength: 2-13/16 InchesThickness: 1-3/8 InchesTrack Ball Size: 2 Inch Diameter, harness included. Mounting hardware sold separately Notes: The connector on this track ball is designed for connection to a PC via USB Port UPC: 740016536000Arcade Game Track Ball Click Here for wiring diagrams and manuals! Jamma 60-in-1 PCB, iCade, Arcade Multigame, Multicade board, JAMMA, Jamma PCB, Jamma 60-in-1, 60 in 1, Jamma Boards, 60 in 1 Arcade, 60 in 1 Jamma, Jamma Arcade, iCade 60 in 1, iCade 60-in-1, Jamma Board,happ trackball, happ 1 1/4, trackball, 2 inch trackball