An electric toothbrush that effectively removes plaque with sonic vibrations at 18,000 times per minute. - Brand: OMRON - Model Name: HT-B223-W - Vibration Frequency: 18,000 times/minute - Power Source: 1 AA battery - Color: White New, unused, and unopened. Please note that the outer box may have scratches due to home storage. A warranty card will also be included. Please understand this before purchasing. I am a beginner, but thank you for your consideration.