This Ultrasonic Jewelry Cleaner is brand new. Never used. Smoke-free home.Professional jewelry cleaning machine, 40W high power can generate 46KHZ ultrasonic waves, effectively clean all types of jewelry and make them shine again in just a few minutes.Portable ultrasonic jewelry cleaner with dimensions of 8.3L x 6.4W x 3.1H inches, has a spacious 700ml/23oz large-capacity water tank, which ensures deep cleaning from all angles.Digital display touch screen-easily select 5 cleaning cycles (90, 180, 300, 480 600 seconds) based on your needs, intelligently clean your jewelry, rings, glasses, dentures, watches, coins, etc., and the touch screen interface operates smoothly.Low-noise Jewelry Cleaning Machine, with a suspended cleaning chamber, statically receives ultrasonic vibration waves, ensuring quiet operation below 60dB. The built-in cleaning basket prevents items from being scratched by rubbing against the stainless steel tank.