Chair function:
It has 4 kneading wheel on the neck, and 4 kneading wheel on the waist. and 4 vibration on the seat. The seat and the backrest can adjust by the controller, the armrest can lift 90 degrees.arms with tray.

Tub fuction:
At the bottom it has sole surfing. the lamp have 7 seven color, and change one by one. Also the foot cushion can lift up and down.there are 2 buttom of the hot&cold water. The back of the tub has a water inlet&out pipe.