Sandal SUNMAS<br><br>SUNMAS Low Frequent Massager (Massage Shoes) SM9188 combines the bioelectrical magnetic wave technology with Chinese traditional acupuncture. It adopts low frequent therapy technology and transmits different bioelectrical pulse through hundreds of conductive silica gel particles to stimulate the different acupuncture points of thenar reflex areas so as to clear meridians, promote blood circulation, relieve pain of arthritis, eliminate edema and improve the foot problems. Microwaves can be sent to calf, knee and thigh to shape your legs. Regular use of the massage shoes for several minutes each day can easily keep healthy.