... OEM available VGT-2000 Ultrasonic Jewelry Glasses Cleaners Ultrasonic Jewelry Glasses Cleaners Features: 1. With strong ultrasonic ... more stability6. With overheating protection circuit Ultrasonic Jewelry Glasses Cleaners Application: Suitable for laboratory, electronic workshop, ... as gold and silver jewelry, necklaces, earrings, glasses, nozzles, watches, mobile, denture, experiment and equipment. ...