【Timed ultrasonic cleaning】： One-key start, the digital is turned on, 3min timed cleaning, and automatically stop running. 【Working principle】： Ultrasonic cavitation effect of 47000kHZ produces tiny bubbles, and the impact of high-pressure bubbles produces powerful impact energy, which makes stains peel off objects and deeply clean. 【Ultrasonic cleaner accessories】 The ultrasonic cleaner is equipped with a detachable cleaning basket to protect the transducer from cavitation damage. 【Easy operation】： You can drop 2-3 drops of detergent into the clean water to quickly dissolve dirt and increase the cleaning effect of ultrasonic by 20%. The ultrasonic jewellery cleaner is designed to clean a wide range of items, such as jewellery, spectacles, dental retainers, silverware, gold, watches, dummies, rings, coins and diamonds. With its powerful cleaning capabilities, it ensures a thorough and efficient cleaning experience for all your cleaning needs.