HELP NEEDED Has Anyone Bought Shiatsu Back Shoulder and Neck Massager

MY PARTNER BOUGHT MY A SHIATSU BACK SHOULDER AND NECK MASSAGER AT £50 I HAD IT ON LAST NIGHT AND THE PLUG EXPLOAD HALF OF IT WENT FLYING ACROSS THE BEDROOM MY ROOM WAS ABSOLUTELY STINKING WITH THE SMELL OF SMOKE THINK MY WARRANTY WILL BE UP NEED TO CHECK MY PARTNERS PURCHASES BUT WHEN HE BOUGHT ME IT PEOPLE WERE COMPLAINING ABOUT IT HOW DO YOU CONTACT AMAZON TO GET THIS TOOK OFF PEOPLE SHOULDN'T BE SELLING THIS SORT OF STUFF