360 Deep CleaningThe frequency of this ultrasonic cleaner is 45kHz. The tiny ultrasonically generated water bubbles can easily reach the crevice and quickly remove those stubborn stains. The powerful ultrasonic cleaner provides 360 deep cleaning without damaging the smooth surface of your items such as glasses, watches, rings, coins, dentures, utensils and chains, especially your jewelry. 4 cleaning modesThis ultrasonic cleaner specially develops professional cleaning modes for glasses (2 minutes), jewelry (3 minutes) and watches (4 minutes). All you have to do is choose your items. You can also use the mode for other items (4 minutes) to meet your other needs. The professional cleaning modes of the ultrasonic cleaner can help you clean your things regularly, it is good for your health 450ml rectangular tank: This rectangular ultrasonic cleaner provides space for your glasses. With 300ml capacity and removable top cover, you can also put makeup brushes, necklaces, watches, toothbrushes and other cleaning items in it without being limited by the ultrasonic cleaning mould. Your jewelry will shine again after using the ultrasonic cleaner. Premium and safe material: This glasses cleaning device uses 304 stainless steel coating. The bottom of the ultrasonic bath is equipped with a silicone strip to be anti-slip and reduce noise. You don't need to go to a professional cleaning shop, this ultrasonic device can quickly clean your glasses, jewelry, dentures, watches, pacifiers, coins, makeup brushes, dishes, etc. Safe Protection: This ultrasonic cleaner is CE and UKCA certified. To avoid forgetting the off, this eyeglass cleaner has a timer shut-off feature that automatically shuts off after cleaning. To prevent short circuit, the indicator light of the ultrasonic device will flash to remind you to turn off when the machine is overheated, and can be turned on again after 3 minutes of cooling