Designed for kids 8 & up. Vibrating bristles for a deep clean. Pro-Health For-Me are products from Oral-B that have the trusted benefits kids need with the flavors and designs they'll love! Why is Pulsar Pro-Health For Me right for your kids 8 & up? Pulsar is a unique kind of manual brush with soft vibrating bristles and deep cleaning power that helps break up plaque between gaps and changing teeth. Your kids can just turn it on, brush as they would with a regular manual brush and enjoy! Oral-B, the brand more dentists use themselves worldwide. Bristles contain an anti-microbial to keep them cleaner. Does not kill bacteria in the mouth or protect against disease. The non-replaceable Duracell battery is designed to last the lifetime of the brush head, approximately 3 months. Actual battery life may vary.