Function& Feature 1. Large screen and LED display for control machine; 2.Air compression massage , large and air pump for the strong and fast air flow; 3.6 output channels can simultaneously connect each 4 air bags and 1 head massager; 4.Air bags use high density TPU, good airproof, highlow temperature resistant and washable; 5.Auto and manual working mode; 6.Multiple massage modes and 3 level massage force adjustable; 7.Frequency use can promote blood circulation, eliminate edema, relieve fatigue, prevent thrombosis and varices, improve incretion and immunity.