... -pressure washes, porcelain, medical examination apparatus, tool kits, jewelry set, DVD, PCB/FPC and baby toysOur digital ultrasonic ... , excellent effect to clean personal articles such as gold and silver jewelry, necklaces, earrings, glasses, nozzles, watches, mobile, denture, ... minutes to an hours. Mini ultrasonic cleaner is the unique phenomeno created by tiny bubbles by ultrasonic sound travelling ...