Knotty Sonic M7 Sonic Powered Toothbrush. This is the Ferrari of Sonic Powered Toothbrushes. The Knotty Sonic M7 features 5 settings including a whitening setting. Only the best from the innovative minds that brought you the original patented Knotty Floss. Every detail was designed to maximize results. Your mouth has never felt so clean, your teeth have never been whiter.
• Five settings including a whitening mode. • ADA recommended 2-minute timer. • Timer signals every 30 seconds to reinforce proper coverage. • Soft bristle heads to help prevent recession. • Sleek minimalist design. • USB connection for easy charging anywhere. • Designed by a dental professional to maximize results safely. • One year quality guarantee.