Note: This description has been automatically translated into Romanian.Silk'n SonicSmile Black Sonic Electric Toothbrush with 5 Settings The practical Silk'n Sonic Smile sonic toothbrush works on the principle of sonic vibration, which creates gentle but effective movement and circulation. Properties: effectively cleans between teeth Guaranteed to protect exposed tooth necks helps maintain the increased natural whiteness of teeth massages and improves blood circulation in the gums Usage: Please follow the attached instructions for use.