1Foot air wave massage, relieve sore legs, reduce foot fatigue, just 15 minutes a day to shape charming legs. 2Air pressure imitating human hand massage, squeeze/release cycle pneumatic massage, air pressure fluctuations to knead muscles, relax tight muscles, relieve stiffness and soreness. 3Intelligent overheat protection, when the temperature is too high, it will automatically turn on the poweroff function to prevent the skin from being burned by the high temperature. 4Three levels of hot compress, 40 / 50 / 60, 3 modes and 3 gears of strength are adjustable, meet your different needs. 5Made of high quality material, safe and ecofriendly, skinfriendly, fast heating, good physiotherapy effect.