Ultrasonic Washing: Regular washing only removes dirt on the surface of the clothes.Ultrasonic washing can be thoroughly cleansedIt also saves energy and saves water.No need to waste time washing for students on one arm. Suitable for: Towels, underwear, socks, rags, dishcloths, vegetables, fruits, toys, etc., can be used to repel dirt with high speed vibrations of ultrasonic waves. Please store out of reach of small children.