Philips HX9911/88 Philips Sonicare DiamondClean 9000 Electric toothbrush with app, Blue | Philips | Electric Toothbrush with app | HX9911/88 Sonicare DiamondClean 9000 | Rechargeable | For adults | Number of brush heads included 1 | Number of teeth brushing modes 4 | Sonic technology