... ,LVD,EMC,ROHS,GS,FC Description:Individuation colour designs :Grey Mini ultrasonic cleaners package details: Carton size ( 12 pcs )546 ... in household, excellent effect to clean personal articles such as gold and silver jewelry, necklaces, earrings, glasses, nozzles, watches, mobile, ... can do the job from 3 minutes to an hours. Mini ultrasonic cleaner is the unique phenomeno created by tiny bubbles ...