advantage: 1. Heating therapy to improve blood circulation. 2. Whole foot(toes/soles/insteps/heels/)massage with roller,air pressure,heating. 3. insteps with air pressure kneading massage. 4. Soles with multi-acupoint massage to scrapping and refreshing. 5. Automation simple type operating control. 6. Removable pads to easy cleaning and replacement. 7.Different massage mode selectable. 8.Three level air massage intensity selected.