Removes more plaque than a manual toothbrush for cleaner teeth and healthier gums Only original Oral-B brush heads feature X-shaped bristles that clean where regular brushes cant reach for optimal cleaning efficiency Oral-B Cross Action has unique bristles at an angle of 16° that adapt perfectly to each tooth for a deep clean It is compatible with all Oral B rechargeable toothbrushes except the iO models Brush Head Wear Indicator: Bristles turn from green to yellow reminding you when to replace the brush head to maintain maximum cleaning effectiveness The Oral-B Pro Cross Action brush head has over 2,200 perfectly angled bristles to remove more plaque for cleaner teeth and healthier gums compared to a manual toothbrush. Oral-B brush heads are designed with new X-shaped bristles that clean where round bristle brushes cant reach. The brush tip wear indicator turns the bristles from green to yellow, indicating when they need to be replaced, for efficient cleaning. It is compatible with all Oral-B rechargeable toothbrushes except & iO models. Warnings: Periodically check the entire product/cables/accessories for damage. A damaged or non-functional unit should no longer be used. If the product/cables/accessories are damaged, you must take them to an Oral-B service center. Do not modify or repair the product. This may cause fire, electric shock or injury. Not recommended for use by children under 3 years of age. Toothbrushes may be used by children and persons with reduced physical, sensory or mental capabilities, or lack of experience or knowledge, only under supervision or if they have been instructed in the safe use of the appliance and understand the dangers involved the use. Cleaning and maintenance should not be carried out by children. Children are not allowed to play with the device. Use this product only for its intended purpose as described in the user manual. Do not use accessories that are not recommended by the manufacturer. Ingredients: - The ingredients mentioned in the online store may differ from those on the packaging.