Test the Oral-B Smart 4, the first connected and rechargeable toothbrush.The elegant handle of the Smart 4 4000N electric toothbrush improves your daily brushing. It connects seamlessly with your mobile phone's Oral-B application and directs you with real-time feedback to get the most out of your toothbrush.While you improve your daily brushing, the single round head of Oral-B does the rest.The toothbrush removes up to 100% more plaque than a regular hand toothbrush, making your smile whiter than the first day and removing surface stains.It also helps to protect your sensitive gums, thanks to the exclusive pressure control technology, which reduces the brush speed and warns you if you brush too strongly.Thanks to Smart coaching you can improve your daily brushing and oral hygiene.There is no doubt that Oral-B is the number one of the electric toothbrushes offered by dentists worldwide.Compatible with the following spare heads for electric toothbrushes: Cross ACTION, 3D White, Sensi Ultrathin, Sensitive Clean, Precision Clean, Floss ACTION, Tri zone, Dual clean, Power tip, Ortho care.This text is machine translated.