已过期Philips Sonicare DiamondClean Smart Electric, Rechargeable toothbrush for Complete Oral Care – 9300 Series, Pink, HX9903/21 @ Amazon.com
Features: Philips Sonicare's best ever toothbrush for the most exceptional clean and complete care. Removes up to 10x more plaque and improves gum health up to 7x in just 2 weeks. Removes up to 100% more stains in just 3 days. 3 different smart brush head types automatically pair with the appropriate brushing mode and smart sensors provide real time feedback. 4 modes: Clean, White+, Deep Clean+ and Gum Health & 3 intensity levels.