Professional Effective Cleaning: The jewelry cleaner adopts advanced ultrasonic cleaning technology, produces 43000 Hz ultrasonic waves powerful but gentle impact so that you can easily and quickly remove dirt in small gaps with your jewelry. At the same time, the ultrasound will not damage valuables, but will only refresh them again and let your jewelry look new and restore its former glory and shine.Food grade material: steel tank SUS 304 food grade stainless without pollution, with a generous 600ml stainless steel cleaning tank; both small and large jewelry can be fully immersed. And the delicate cover design reduces noise effectively.Wide Application and Easy to Carry: 600ml capacity portable ultrasonic cleaner, very easy to carry, can keep your items clean no matter where you go, can be used as jewelry cleaner, watch cleaner, denture cleaner, glasses cleaner, coin cleaner, instrument cleaner laboratory and much more.Easy to use: there are three buttons on the panel. Press the adjust button to adjust the timer setting. Press the ON/OFF button when you start or finish cleaning. The easy-to-read digital LED display illuminates to show you where the cleaning process is.Cleaning Tips: If your cutlery or other specialty jewelry is dull or oxidized, use their professional wash water. For better cleaning results, please soak the items and add some jewelry detergent in warm water for 4-5 minutes, then use the ultrasonic cleaner to clean. If the stain has been formed for a long time, please soak it for a longer time before cleaning and use the ultrasonic cleaner again.