All-in-one: heating therapy, oxygen bubbles massage.

.It effectively promotes blood circulation, improves metabolism, relieves fatigue, and smoothens the meridians (Qi system).

.Uses quality PTC heating semiconductor-- speed heating, maintaining a constant temperature, and secure multi-insulation protection. Safe and secure double overheating protection.

.Four active massage rollers, which roll the whole foot bones, are set specially in water output. This truly eliminates fatigue.