The Philips Sonicare 4100 Power Toothbrush Pink HX3681/26 is designed to deliver advanced everyday oral care performance with powerful sonic cleaning technology and intelligent brushing support features. Featuring Advanced Sonicare technology with up to 31,000 brush strokes per minute, it helps remove plaque and drive fluid between teeth and along the gumline for deeper cleaning performance compared to manual brushing. The built-in pressure sensor automatically detects excess brushing force and alerts users to help protect teeth and gums during brushing routines. Smartimer and QuadPacer systems guide recommended brushing duration and mouth coverage for improved brushing consistency and oral hygiene habits. Built with a slim ergonomic deep pink rechargeable handle and long-lasting battery performance, it provides reliable everyday brushing convenience at home or while traveling.