Product details:

Treat tired and achy feet with deep-kneading roller and air massage.Infinity's RockerTech uses tapping and vibration to soothe feet.Heat loosens the feet to prepare them for the massage. Adjustable air massage and RockerTech enables total control of your massage experience. Three auto programs allow you to quickly choose a relaxing massage. Enjoy full manual mode to find your perfect foot and calf massage settings. Fits up to men's USA size 12.