Portable Ultrasonic Retainer Cleaner – 42kHz Mini Cleaning Machine (Dental + Jewelry, 2025 Upgraded)

Clean dental appliances, jewelry, diamonds, aligners, whitening trays and night guards with the Portable Ultrasonic Retainer Cleaner. Uses high-frequency ultrasonic waves (40–49 kHz) and just water for thorough cleaning. Features 3-minute quick clean and 6-minute deep clean, plus ultra-quiet operation at ~45dB. Compact, travel-friendly, and worldwide compatible (100–240V).