Portable Ultrasonic Cleaner Machine – Retainers, Glasses & Jewelry WasherMake deep cleaning your everyday items effortless with this compact ultrasonic cleaner machine. Using high frequency sound waves, it creates tiny bubbles in the water that help lift away dirt, residue and grime from hard to reach areas no scrubbing required. Perfect for: retainers, aligners, dentures, glasses, sunglasses, jewelry, watch straps, and small metal accessories. Ultrasonic deep cleaning high frequency vibrations help remove deposits and