PROMEDIX PR-740 Modern sonic toothbrush with high-frequency wave technology. The vibration frequency of the brush reaches up to 31,000/min. PR-740 provides a more thorough cleaning than conventional toothbrushes, the strong vibration ejects toothpaste particles that reach hard-to-reach places. Using a sonic toothbrush is very easy. Suitable for adults and children. It also effectively removes bacteria, debris and plaque. The Promedix PR-740 toothbrush is equipped with 5 working modes for best efficiency: - Clean - Daily cleaning mode for teeth and gums. High frequency wave power, this mode provides the strongest cleaning (up to 31000 vibrations/min) - Whitening mode to remove dirt, especially after coffee, tea and cigarettes. High frequency and medium power. - Health mode for sensitive teeth and gums. During dental rehabilitation, fast high and low frequency pulsations are very helpful. - Teeth polishing mode thoroughly removes old stains and tartar with the fastest vibrations. - Massage cleaning mode with gentle gum massage. With the included charging cable, you can charge the toothbrush battery directly via a USB port such as a computer, laptop or phone charger.