PROMEDIX PR-750 is a modern sonic brush that uses high frequency wave technology. The toothbrush has a vibration frequency of up to 38000 / min. PR-750 provides more accurate cleaning than ordinary brushes, vibrations of high force throw away paste particles that reach hard to reach places. Sonic toothbrush is very easy to use. Suitable for adults and children. It is also effective in removing bacteria, sediment and plaque. The Promedix PR-750 brush has been equipped with 5 work modes to ensure the best efficiency: - Purification mode is recommended for everyday use. - Snow-white mode for polishing teeth with moderate pressure. - Cold white mode combines a low and high frequency to remove tartar. - Delicate mode is recommended for people with delicate gums. - Massage mode gently massages teeth and gums.