Household ultrasonic cleaning device $ 13.14 Product Category: Ultrasonic Cleaner Product name: 2020 new dental scaler Charging mode: USB charging port Battery capacity: 300mAh Vibration frequency: up to about 8 thousand times/minute Charging time: about 2 hours Working mode: Gentle/Clean/Normal mode, 3-speed switch Color: black, white, pink, mint green
