General Information - New Bristle Technology: Oral-B Floss Action brush head turns from green to yellow, indicating when it is time to change. Features Micro - Pulse bristles that help provide a superior deep clean between teeth*. The bristles on the round brush head are designed to clean deep between teeth to remove up to 100% more plaque leaving your whole mouth cleaner than a regular manual toothbrush - KEY FEATURES - Features soft Micro - Pulse bristles - Provides a superior clean - Cleans deeper between teeth vs a regular manual toothbrush - Compatible with all Oral-B rechargeable handles (except i - O Series/ Battery/Sonic brushes) - Oral-B, 1 Toothbrush Brand Used By Dentists WorldwideWarningsDo not use on children under age 3. Replace brush (head) every 3 months or sooner if brush head becomes wornDirectionsBrush your teeth at least twice a day