Purchased on Amazon. Opened for product photography. New and unused. Thank you for viewing. Thorough cleaning with innovative cleaning technology. 55,000 ultrasonic vibrations per second generate countless tiny bubbles in the liquid. The shock waves generated when the bubbles burst peel off oil and fine dirt that has entered the fine gaps of glasses and accessories. There is no need to worry about damaging delicate materials, and it restores the shine of new items in just a few minutes. Large capacity & versatile compatibility With a spacious 750ml tank, you can clean a variety of items, from glasses, watches, and rings to shaver heads, dentures, and baby items. While being compact, it is useful in all situations, from daily life to beauty and health items. Smart 4-stage timer Equipped with 4 modes: 90 seconds, 180 seconds, 270 seconds, and 480 seconds. Easily select the perfect time for the item to be cleaned, from light rinsing to stubborn dirt. You can easily maintain cleanliness with the touch of a button, even in the busy mornings or before bed. Amazingly quiet operation sound The low-noise motor and vibration-proof design achieve an operating sound of about 30dB, which is a whisper level. You can use it at night or early in the morning without worrying about your family's sleep or the neighbors. You can relax in a comfortable space, free from annoying vibrations and sounds during cleaning.