The W2 Optimal White brush head is perfect for hose who want to go beyond deep cleaning to remove surface stains for a white, radiant smile. This brush head is also great for maintaining brightness between professional whitening treatments. Densely-packed, high-quality bristles remove up to 7x more plaque than a manual toothbrush. The W2 Optimal Whites stain-removal pad, made from densely-packed diamond-shaped bristles, removes surface stains caused by food and drinks. Youll notice a whiter smile, up to 100%, in just 7 days. Youll always get the best possible clean with Philips BrushSync mode-pairing feature. The Philips Sonicare W2 Optimal White brush head syncs with your BrushSync enabled Philips Sonicare toothbrush handle, selecting the optimal brushing mode and intensity level for exceptional whitening. All you need to do is start brushing. Brush heads become less effective after 3 months use, but with BrushSync youll be reminded before this happens. Your smart toothbrush will track how often and how hard you brush and will notify you when its time for a replacement. Dont have a smart Philips Sonicare toothbrush? Just monitor your blue replacement bristles -- when they turn white youll know its time for a fresh brush head. All Philips Sonicare brush heads are safe and gentle on teeth and gums. During tests, each brush head is put through its paces to ensure durability and an exceptional performance every time you brush. Your Sonicare brush head and handle are the ultimate team. Enhancing Philips sonic technology, they give you unrivalled cleaning. High-speed vibrations in your toothbrush handle power up to 62,000 brush movements per minute that whip up your toothpaste into gentle cleaning bubbles, driving them deep between your teeth and along the gum line for exceptional cleaning. Your W2 Optimal White brush head fits perfectly with any Philips Sonicare toothbrush handle, except PowerUp Battery and Essence. Simply click on and off for easy replacement and cleaning.