This ultrasonic dental scaler uses intelligent soft/hard detection, working only on hard tooth surfaces and automatically pausing on gums to avoid damage. It also has a 10-minute auto shut-off function to prevent overheating and ensure safe use. Equipped with 37kHz high-frequency vibration technology, it efficiently removes tartar, plaque and stubborn stains for cleaner, whiter teeth. It offers 5 adjustable modes: Soft for sensitive teeth, Comfort for tobacco and coffee stains, Standard for surface stains, Strong for deep tartar, and Super for heavy buildup, meeting different oral care needs. | Ventryn Unisex Electric Ultrasonic Tooth Cleaner in White