Universal compatibility: brush head compatible with Oral B toothbrushes, including Vitality, Sensitive, Cross, 3D White, TriZone, and more Versatile use: toothbrushes for children, sensitive teeth and a wide range of models for individual toothbrushing experiences. Rotating pulse brush head: Effective cleaning with rotating pulse to thoroughly reach interdental spaces and remove plaque Bacterial protection: replacement toothbrush head with integrated bacterial protection function for hygienic and safe use. Gentle cleaning: rounded bristle ends for gentle cleaning and a pleasant toothbrushing experience.