Four AUTO Massage Program1. RecoveryAir bags surround your muscle and Shiatsu nods touch your points give your feet and calves relax massage2. ShiatsuRhythmic Shiatsu will emphasize on massging calves and soles3. KneadingHuman Touch combined massaging on calves, soles and ankles to promote whole body blood circulation4. Foot AutoAir bags surround your feet just like a glove. With massage plate rising up and massage nods touching your sole points, you will enjoy effective massagingTwo Massage Strength: weak/strong availableMassage Position: Can be free adjustable by pressing buttonCloth cover with zipper is removable. It's easy for cleaningAll parts confirm to RoHS standard