Philips Sonicare DiamondClean Smart 9400 - buy at Galaxus
Philips Sonicare DiamondClean 9400 Electric Toothbrush with App, Networked Cleaning, Pressure Sensor, Intelligent Brush Head Detection, 4 Cleaning Programs, 3 Intensity Levels, Black (Model HX9917/89) : Amazon.de: Health & Personal Care
Philips Sonicare Toothbrush Head C3 Premium Plaque Control
Amazon.com: 8 Pack Replacement Toothbrush Heads for Philips Sonicare ProResults by demirdental fits DiamondClean EasyClean and Many More HX6018 : Home & Kitchen