New in box Premium Trakk Shiatsu Car & Home Massager with Heat has four 1.25 inch nodes that provide a 360 degree kneading message. It has a car adapter to use in the car as well as a plug, No USB.  It has 4 funtions which includes heat and changing directions.  Not just for you back and neck but can be used on the legs and stomach. Made of durable PUC and rubber you can wipe it clean. The cover also zips off.