Get a deep and effective teeth cleaning at home with the Philips Sonicare 4100 electric toothbrush. It's equipped with Sonicare technology for gentle, thorough electric brushing, with two intensity levels and a built-in pressure sensor. It has a SmartTimer to help you to achieve the recommended brushing time, and a long-lasting battery. | Philips Sonicare 4100 Electric Toothbrush (HX3689/22) - Prismatic Navy