1.AC home adapter included.
2.In-put:12V;2A
3.4 rolling massage nodes
4.Cover: Suede Fbraic

5.4 rolling massaging balls, with heating, forward & reverse kneading.
6.With seat belt on back to be fixed on the chair.
7.One simple button for whole function: PUSH ON/PUSH OFF.
8.Micro-suede cover and moulded foam padding
9.with infrared heating.
10.15mins Timmer function
11.Will AUTO change the shiatsu direction every mins
12.The acupunture cover can massage back + foot to improve blood circulation