furniture: 1)Four-wheel drive, massage device in the back can go up and down. 2)Multi-purpose massage technique including shiatsu,kneading, knocking, knead-knock synchronization and so on. 3)You can choose the whole body or fixed point massage. 4)Each part of seat, calf are equipped with air pressure massage. 5)The intensity of all kinds of massage mode can be adjusted by three grades. 6)The calf can go up and down alone or go with the back together. 7)The massage hand, back and the calf replacement after the machine is closed. 8)You can choose coin operation.