U-shaped bite: Specifically designed to fit inside your mouth! Colours: Choose from four great colours including, white, pink, blue, or black. Material: Uses a soft bristle toothbrush made of non-allergenic, IPX7 waterproof silicone. Oral cleaning: Get an electric mouth-shaped whitening toothbrush. 4 modes: Brush your teeth using four modes, soft cleaning, powerful cleaning, massaging, and cold light whitening mode. Toothbrush: Brush your teeth hands-free with 360° cleaning and ultrasonic wave technology. Electric Mouth-Shaped Whitening Toothbrush | Living Social