Ultrasonic Jewelry Cleaner, 48Khz Ultrasonic Cleaner Machine for Jewelry, Eyeglasses, Rings, Watch Strap, Dentures- Dual Cleaning Modes, 304 Stainless Steel Tank. Professional Ultrasonic Jewelry Cleaner: The ultrasonic cleaning machine only requires tap water to clean dirty jewelry within minutes, without removing tarnish (adding ultrasonic cleaning agent solution can achieve better cleaning results).
eBay