OPTIMAL PERFORMANCE: Oral B Adult Pro Battery Power Brush Black with constant power that delivers optimal performance every time you brush. Removes more plaque than a regular manual toothbrushROUND BRUSH HEAD: It has a round Brush Head that dentists inspired providing you with a superior clean vs regular manual brush.TIMER: 2 Minute Coaching Timer helps you brush the dentist's recommended 2 minutes.REPLACEMENT INDICATOR: Bristles go from green to yellow based on individual usages reminding you when to change to keep 100% cleaning efficacy.DRIVE SYSTEM: Its electronic-controlled drive system provides more consistent power throughout the battery life.SPECIFICATIONS:Removes more plaqueConsistent power2 x AA Batteries IncludedBrush head replacement indicatorWHAT'S INCLUDED:1 Toothbrush Handle, 2 Batteries