1. Massage mechanism on the back of the chair: The mechanism can automatically adapt to body shape, thus giving a considerate massage on users back. 2. Multi massage mode: The massage mechanism on the back works from neck, shoulder to waist with the modes of kneading, tapping, sync, shiatsu etc. It brings both relaxation and refreshment to you. Massage speed and width are adjustable according to your need. 3. Four auto massage modes: Recovery, relief, neck and shoulder, back and waist are four auto massage modes, which are in your option. 4. Wave like massage from the airbags: The pressing airbags on both sides of buttocks and III shape airbags on calf parts alternates and cycles in massaging so the massaging feeling comes one after another. 5. Integrity design: It excels other normal bill operated chairs by its integration of control panel with bill acceptor, which avoids loss of the controller. It prevails in airport, station, shopping mall and so on. 6. Unique and safe lock design: There are two locks to ensure the safety of bills accepted, one to lock the side panel which hides the bill receptor inside, and the other one to lock the bill receptor.