GemOro Sparkle Spa Ultrasonic Cleaner, Silver GEMORO-1780 This is a new 60 Hz Gemoro Sparkle Spa personal ultrasonic cleaner Within 3 minutes your jewelry will be cleaned to its original luster and beauty Removes dirt&amp;grime without scrubbing or polishing from rings, eyeglasses, jewelry, bracelets, metal watchbands, small instruments and more! Use water or optional cleaning solution The 42,000 energy producing sound waves per second leave your piece sparkling