Powerful Cleaning Effect: The ultrasonic cleaner with a frequency of 45,000 Hz deeply cleans items while remaining harmless to them. Gently removes dirt, dust, and grime from valuable items like jewelry, glasses, and watches in minutes. Multifunctional Ultrasonic Cleaner: With a tank capacity of 400 ml, it easily meets your various cleaning needs. The ultrasonic cleaner is not only suitable for cleaning glasses, rings, necklaces, and other jewelry accessories such as springs, stamps, and metal cutlery. The ultrasonic cleaner is gentle. The ultrasonic cleaner is very suitable for use at home, in the office, for teeth, and in hospitals. Easy to Use: Press the ON/OFF button, it emits a slight vibration sound when using it, stop it at any time by pressing the stop button, you can usually use tap water or add a little detergent. Automatic shutdown after 3 minutes after cleaning and without further maintenance.