Mini Ultrasonic cleaner 1.Clean watches,Jewelry,necklace ... freely set 3.high quality but low price 1,Mini Ultrasonic cleaner features: 1, a transparent roof ... , binoculars, microscopes, cameras, video cameras and other parts of the lens by the ultrasonic cleaning, etc., all ... , Walkman and other sophisticated electrical circuit boards, spare parts, the use of ultrasonic cleaner with ethanol cleaning, ...