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.
Fuction of the tub: Pipeless shower, at the bottom it has sole surfing. 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.
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