A man's feet are like a tree's roots. The roots of a tree are exhausted first, and the feet of a man grow old.Especially for those who often feel cold in hands and feet, soaking feet in hot water is a good way. The feet are also called the heart of the human body. When the feet are soaked in warm water, thermal stimulation will speed up the microcirculation of the feet and open the pores, thereby speeding up the body's blood circulation and regulating the endocrine system. Please do not use it without water.Please keep the water volume between maximum line and minimum line.Please don't pour hot water over 125 ℉, it will trigger the over-temperature protection fail to boot Sub-regional massage to fit the contour of the sole of the foot Squeezing,pushing, pressing ,compressing——4-fold massage technique and acupuncture massage let your feet experience a deeper level of relaxation Fast heating and keeping warm You can set favorite temperature 95℉-118℉/35℃-48℃,and the pedicure foot spa can quickly get the aimed temperature, and will maintain the water temperature during spa. Oxygen Bubble Bubble function can make the water heated evenly,and bring more comfortable foot spa experience.It also help promote blood circulation to keep your body health.