This ultrasonic retainer cleaner adopts 25W high-efficiency power and 45kHz ultrasonic technology, providing 360-degree deep cleaning for braces, dentures, retainers, invisible braces, and sports guards. The ultrasonic cleaner is also suitable for delicate items such as jewelry, rings, waterproof watches, etc. It easily removes stubborn stains and crevice dirt while protecting the integrity of the items.