Functions:
1. the chair which above the basin can move back and forth.
2. the back seat can recline backward.
3. adjustable height of foot cushion.
4. back massage.
5. neck massage.
6. vibration massage on cushion.
7. handrail can move up.
8. hydro-massage for foot.
9. adjustable water massage device.power of whirlpool pump:750W
