Whitewash SW 2000 - the hydrodynamic ultrasonic toothbrush features 40,000 vibrations per minute and offers cleaning modes for Clean, Whitening, and Massage. Stubborn plaque is thoroughly and gently removed. A 2-minute timer helps you brush your teeth for the dentist-recommended duration, with a signal every 30 seconds. The toothbrush has a charging indicator, and the lithium-ion battery ensures a long battery life. The high-quality bristle tip (DuPont) and rubberized head are designed to optimally care for your teeth while protecting the enamel. Three replacement brush heads are included in the package. Once charged, the toothbrush can be used for over a week without needing to be recharged. It comes with an elegant, easy-to-clean, and space-saving charging station. Handy, practical design.