YT-838 product features:

-new innovative design
-full coverage of massage:
Combination variety of functions of shiatsu,kneading,air compression,heating, vibration to provide deep kneading ---shiatsu on nodes and stimulate all points on foot reflexology zone.
-Vibration on feet and legs to alleviate muscle pain.
-detachable cloth cover
-Zip-out cloth cover on feet for easy cleaning and changeable.
-In the process of massage, in case power is off suddenly, the airbags will be deflated automatically without holding feet tightly.