Dental care: Get a portable electric sonic dental tooth stain remover! Ultrasonic vibration: With intelligent high-frequency vibration which can vibrate up to 10800 times per minute. IPX6 waterproof: Designed to easily remove easy to remove calculus, tea stains, smoke stains and more. Two colours: Choose from pink or blue. Adjustable settings: Features five adjustable vibration settings to meet all your teeth-cleaning needs. Easy grip design: Suitable for daily use and can be taken with you on the go. Portable Dental Tooth Stain Remover | Blue | Living Social