SUPPLY: The set for the sonic toothbrush includes an ION-Sei handpiece, two brush heads (soft & standard), a charging station incl. attachment, a USB cable and an EU & UK power supply unit. APPLICATION: The electric sonic toothbrush has three vibration modes to adjust the number of sonic vibrations according to your needs. With up to 31,000 brush movements per minute, the ion brush is both effective & gentle. CLINICALLY PROVEN EFFECTIVE: It is clinically proven that the ion technology of the ION-Sei toothbrush has an antibacterial effect against plaque-causing bacteria and thus has a preventive effect against plaque, caries & periodontitis. HAMPERS BACTERIA GROWTH: The electric toothbrush produces a weak counter-charge to the body's charge. By using sonic toothbrushes from ION-Sei, plaque & bacteria are kept away and new formations are prevented. PATENTED & INNOVATIVE: The patented ion technology of the ION-Sei sonic toothbrush creates ions by reacting a titanium dioxide rod with ultraviolet LED light, effectively fighting bacteria in the oral cavity.