1 Adjus tments to the body's enginery; 2 Prominent effect to relax people's stress & pressure; 3 Strengthening the blood circle, massage rachis, relax nerve system; 4 Voice system; 5 Specialized designed rolling massage ball can make users, enjoy the point massage comfortably & healthcare effect; 6 Simple computer system is easy to repair & will not affect the normal business. Good quality with reasonable price. Coin operated massage Chair can use different kinds of coins, the number of the coins, the working time, and also have the manual plate. They are all controlled by microcomputer. The coin operated instrument and other type sofa also can be combined into other coin operated massage sofa.