1.Rechargerable easy take.
2.Battery capacity: 2000mAh
3.In-put:5V 2A
4.4 rolling massage nodes
5.USB charge;charge time: 2.5h, using time: 1.5h

6.Moden Carry bag design
7.4 rolling massaging balls, with heating, forward & reverse kneading.
8.With seat belt on back to be fixed on the chair.
9.One simple button for whole function: PUSH ON/PUSH OFF.
10.Micro-suede cover and moulded foam padding
11.with infrared heating.
12.15mins Timmer function
13.Will AUTO change the shiatsu direction every mins