Chair fuction: 1. The neck have 4 kneading rollers, the back and waist have 4 kneading for each. The bottock have 4 vibration kneading move circle. Backrest can be a recliner. 2. The seat and the backrest can adjust electrictly. 3. Armrests can lift 90 degree, arm with a tray for laying something. Tub fuction: 1. Steel colorful glass basin, pipeless shower, 2. At the bottom it has sole surfing. 3. The lamp have 7 seven color, and change one by one. 4. There are 2 buttom of the hot&cold water. 5. The back of the tub has a water inlet&out pipe.