4 way (Clean 4 ways) clean. Charcoal infused bristles. 360 degrees sonic charcoal. Helps keep your brush clean with antibacterial bristles (helps prevent bacteria growth on bristles, toothbrush does not kill bacteria in the mouth). Floss tip (does not replace flossing) bristles to clean between teeth. Regular bristles for flat surfaces. Rubber polisher to help remove surface stains. Tongue & cheek cleaner. Working towards a zero waste future. Save water. Bright smiles. Bright future. 1 billion + children educated on oral health globally.