Philips Sonicare DiamondClean Connected Rechargeable Electric Toothbrush, 2-pack | Costco
Amazon.com: Philips Sonicare for Kids 3+ Bluetooth Connected Rechargeable Electric Power Toothbrush, Interactive for Better Brushing, Pink, HX6351/41 : Health & Household
Smart toothbrushes the latest Internet of Things battleground