MaxKare foot bath spa massager. The foot spa massager would generate heated water that sufficiently promotes blood circulation. The elegant color of the foot bath fits seamlessly with a modern household, making it a great gift for self or others. MaxKare foot spa massager provides you with a better way to soothe your foot! all-in-1: Heating, aerobic bubble massage, high-frequency. Vibrating massage effectively promotes blood circulation and improves metabolism suggested water temperature is in the range of 95~113°F, as overheating may hurt your skin. It is forbidden to open the heat function without adding water to the footbath. This action will easily burn out the motor and cause product malfunction. The heating core is designed to be placed in the middle of the footbath, so we strongly suggest you open the bubbling function