3 in 1 function with hydromassage, vibration massage, and heat. The four integrated air jets provide a powerful bubbling function, and the heating feature quickly heats cold water to 40 °C and maintains the temperature. Additionally, four removable massage rollers and two interchangeable pedicure inserts (fine and coarse pumice stone) are included. The practical water drain allows for easy pouring out and cleaning of the container. Suitable for shoe sizes up to 47.