Treat your feet with this undeniable luxury comfort from aquatic therapy! With its four motorized massage rollers and sixteen oxy-energized rotating nodes located inside the calf-deep water container, when the water jet surfing system is activated, it gives you hot-steam rolling massage on sole and effectively melts away your calf and foot muscle stress while you are enjoying the warm water soaking. Features with three different rolling massage modes, air bubble and red light therapy, it stimulates blood flow to stiff muscles and frozen joints and boosts circulation to bring oxygen to the tissues to soothe sore muscles on legs and feet. You can put bath salt or tea bag into its built-in herbal bag container. Its extra large water container fits foot with any size.