THIS IS A BROKEN NOT WORKING Mad Catz Cyborg MMO M.M.O. 7 Gaming Mouse 6400 dpi PC Mac BLACK/ORANGE FOR PARTS SOLD AS IS THIS MEANS NO WARRANTIES RETURNS OR GUARANTIES IMPLIED OR STATED.MOUSE POWERS ON BUT THE SMALL ROUND THUMB BUTTON IS BROKEN OFF.COMES WITH MOUSE AND ACCESSORIES ITEM WAS PREVIOUSLY OWNED,USED WITH SIGNS OF WEAR/SCRATCHES/ SCUFFS/MARKS SIGNS OF BEING USED WEAR AND TEAR.PLEASE MAKE SURE YOU KNOW WHAT YOU ARE BUYING THIS IS A BROKEN NOT WORKING MOUSE.I HAVE ONLY TESTED FOR POWER NO OTHER TESTING WAS DONE.MOUSE MAY HAVE OTHER PROBLEMS NOT LISTED.#09436