High Speed Cleaning: This 300ml ultrasonic cleaner machine with powerful frequency of up to 45khz, it can clean more powerful and effective. Under the action of ultrasonic waves, the dirt layer can be easily dispersed, emulsified, stripped, and achieve the purpose of cleaning with high efficiency, without damaging the articles. Cleaning Multiple Products: This ultrasonic cleaner is easy to operate, put the items into the container, press the start button, and you can start cleaning. Wide application, can wash jewelry, glasses, dentures, watches, makeup brushes and more. Safety Design: This ultrasonic jewelry cleaner comes with an overheat protection function, it will automatically stop cleaning if the product is overheated. During the cleaning process, it is safer and better protects the cleaned products from harm. Convenient to Carry: This professional sonic jewelry cleaner weighs only 184g, and the 300ml water tank capacity is enough to clean your glasses and jewelry with you. The compact design is perfect for home use or travel, very portable. Excellent After-sales Service: This ultrasonic glasses cleaner works with low noise and can be used anytime and anywhere. You can refer to the instruction manual for the usage time of different products. If you have any usage problems, please contact us, a professional after-sales team will serve you.