It's a whole body massager and passive aerobic exerciser that offers a unique therapeutic massage therapy experience plus many more benefits! The Sun Ancon Sun Harmony Chi Machine maximizes the movement of the body without any undue stress. This helps to provide prompt temporary relief from minor muscle aches, pains, and tension caused by fatigue or overexertion. The relaxing movement of the Chi Machines causes your bronchioles to open up allowing you to take in more oxygen. It is wonderful for individuals who through age or physical limitations cannot exercise. It promotes lymphatic drainage, maximum oxygenation and better circulation. It is a FDA Regulated Class 1 Medical Device! - according to Wellness Energy Products.