GREAT CLEANING EFFECT: Millions of microscopic cleaning bubbles created by ultrasonic sound will automatically break to provide powerful but gentle impact to clean the hard-to-reach and subtle place without damaging valuables.4 TIMING MODES: Smart timing modes, glasses, jewelry, watches and custom modes. It defines the corresponding cleaning time for different items. To improve the cleaning effect, you can add a few drops of detergent before cleaning, soak for a few minutes and then clean.PORTABLE FASHION AND DESIGN: This ultrasonic eyeglass cleaner inner tank is made of ABS material. The 300ml water tank allows you to put jewelry from glasses or other small items. You can put it in your bag or suitcase and take it anywhere.ONE KEY OPERATION: Push button / auto close. The design of the ultrasonic jewelry cleaner has only one button, which can be easily operated by anyone. After cleaning, the machine will turn off automatically.WIDE APPLICATION: This professional ultrasonic jewelry cleaning machine can be used for jewelry, eyeglasses, watches, rings, necklaces, pacifiers, contact lenses, contact lenses, etc.