This product is top-level item of RONGKANG¡± brand massage chair. S-shape back rail and four-roller massage mechanism system conform to body's curve; rolling, kneading, pressing, tapping, hitting or combined over ten massage functions; comfortable air pressure in seat, legrest and footrest; advanced and original wide-angle VFD display on control; auto/manual control program; automatic adjustable angle controlled by dual electric power actuator on backrest and legrest; armrest inner side-built CD loudspeaker for you to enjoy music while massaging; 24V safe internal circuit design is convenient for customers' safety certificate application in any country.