The round head cleans between the teeth: The hairs form an angle of 16 degrees, and are crossed to penetrate deep between the teeth for cleaning like a dentist

100 percent more plaque removal than plain toothbrushes: The heads clean each tooth resulting in the removal of plaque versus the manual toothbrush
Up to 1 year the package of 4 heads: each head of the brush fades, indicating when it needs to be changed. change is usually required after 3 months, for optimal performance
Compatible: The toothbrush is compatible with all genuine Oral-B electric toothbrushes
Oral-B the No.1 mark: Used by dentists
Includes: 1 pack of 4 toothbrush heads, made in Germany with the highest precision