Description Dental Brush DB4, 750 mAh, IPX7, 234 х 295 х 45 mm Sonic toothbrush The sonic toothbrush is clinically proven to remove many times more plaque than a regular toothbrush. It removes plaque from the teeth and along the gum line without damaging the gums themselves. Clean It can effectively clean every corner of the mouth and is recommended for daily use White Polish bright white teeth and brush into white teeth Massage It is recommended for beginners to protect gums from bleeding discomfort 3D touch button Helps you choose 3 levels of vibration intensity for each cleaning mode - high, standard, or low. Start with a low vibration intensity to adapt to the procedure and gradually increase the frequency until you find the cleaning scenario that suits you personally 46 000 vibrations per minute Under the influence of high-frequency oscillations from biological fluids and toothpaste oxygen-saturated finely dispersed foam is formed, which easily penetrates into hard-to-reach areas, destroys and washes away soft plaque. Wireless charging Convenient wireless charger can be used as a brush stand to increases the comfort of using the toothbrush, since you do not need to plug the charger to the toothbrush - just leave it in the stand and it will always be charged 40 days without charging Just 4 hours of wireless charging give up to 40 days of battery life without recharging for everyday use* or 90 days long standby DUPONT™ filaments DUPONT™ TYNEX® - premium quality toothbrush bristles to the oral care industry for over 75 years. In clinical studies, Tynex® bristles continue to show excellent wear performance and greater bend recovery compared with other materials. Interdental Cleaning, Plaque Removal, Gum Comfort, Gingival Cleaning and Anti-microbial have always been major needs of the oral care. DuPont has developed a series of bristles solutions to fulfill all consumer needs. Blue indicated bristles remind user to change toothbrush head - when the blue indicated bristle fade to white, it means user have to change brush head. Smart reminder system Dentists suggest that each brushing should be not less than 2 minutes. Smart reminding system will remind to change the brush area 4 times every 30 seconds for effective cleaning of all tooth surfaces IPX7 waterproof To quickly rinse your whole toothbrush under running water or clean your teeth while showering. Travel case Your brush is always with you - handy toothbrush and brush head case included. 4 brush heads + icons The kit includes 4 brush heads with different icons on them.