Features: 

• Achieve whiter teeth in just 1 week vs. using a manual toothbrush.
• Stain-removal pad, made from densely-packed diamond-shaped bristles, removes surface stains caused by food and drink.
• Fits any Philips Sonicare click on toothbrush, simply click off for easy replacement. 
• Ensuring compatibility with BrushSync features when used with a BrushSync enabled Sonicare toothbrush.