Get more out of your daily brushing routine with Equate Infinity Pro Rechargeable Toothbrush. Compare to the Oral-B Vitality/Pro 500 toothbrushes. This brush is designed to provide a comprehensive clean with oscillating action that ensures a thorough powerful clean on all tooth surfaces removing plaque even those hard to reach areas. Features a long lasting rechargeable Li+ battery that provides up to 21 days of use. The soft Bacteria Defense bristles help keep the brush clean for up to 3 months (inhibits microbial growth that may affect the bristles. The bristles do not kill bacteria in the mouth or protect you against disease. Always clean the product thoroughly after use) with Replace-Me bristles that fade with use to remind you when to replace your brush head. For optimum hygiene replace your toothbrush heads every 3 months.