This multi-purpose cleaner uses ultrasonic technology to thoroughly clean jewelry, watches, eyeglasses, dentures, retainers, CDs/DVDs, and more in seconds. Thanks to 40 KHz ultrasonic frequency and 180W ultrasonic power, this cleaner produces powerful yet gentle ultrasonic waves that won't damage your valuables. If you are looking for an affordable and reliable solution to clean your personal items, this ultrasonic cleaner will be the perfect option for you.