Sonicare W2 Optimal White Replacement heads Removes up to 100% of stains in just 7 days Brush synchronization 6 heads Teeth up to 100% whiter in just one week Advanced cleaning to remove stains and make teeth brighter Pack of 4 pieces Standard format Clip-on Mode selection via BrushSync Removes up to 7 times more plaque than a manual toothbrush The high-quality, densely packed bristles remove up to 7 times more plaque than a manual toothbrush. Diamond-shaped bristles make teeth 100% whiter in 1 week The stain removal zone of the W2 Optimal White consists of densely implanted diamond-shaped bristles. Removes surface stains caused by food and drinks. Youll notice your smile is up to 100% whiter* in just 7 days. Automatically selects the optimal mode for perfect results** Thanks to the mode selection function via BrushSync™**, you will always get optimal cleaning. The Philips Sonicare W2 Optimal White brush head synchronizes with the Philips Sonicare handle thanks to BrushSync™ technology** to select the optimal brushing mode and intensity level for exceptional teeth cleaning. All you have to do is brush your teeth.