The Philips Sonicare HX6911/02 FlexCare R910 Rechargeable Electric Toothbrush features ProResults brush heads, multiple cleaning modes, and built-in timers. This FlexCare is clinically proven to remove more plaque than Oral B Triumph and even the Sonicare Elite. New Brush Heads for Better Cleaning The FlexCare uses the newly designed ProResults brush heads with increased tooth coverage and a broader sweeping motion that results in better plaque removal. Combined with Sonicare"s sonic technology, the high-speed bristle action allows a powerful yet gentle cleaning action that ensures a deep cleaning between teeth and along the gum line. With a slim, angled neck, the FlexCare makes it is easy to access hard-to-reach areas of the mouth. The ProResults brush heads come in two sizes: "standard" for a regular cleaning, and "mini" for precision in hard-to-reach areas. Multiple Cleaning Modes The FlexCare R910 offers maximum flexibility with your teeth cleaning. There are three two-minute brushing modes that offer "Clean" mode for full power and optimal cleaning, "Sensitive" mode for gentler brushing in sensitive areas, and "Massage" mode for a stimulating, soothing cleaning action. The FlexCare R910 also offers two routines: "GoCare" is a quick one-minute routine for between regular brushings, and "MaxCare" is a three-minute cleaning mode that combines two minutes of "Clean" mode with one minute of "Massage" mode. Thanks to the FlexCare"s Quadpacer, the toothbrush beeps every thirty seconds to let you know it is time to move on to the next quadrant of your mouth. The brush also features a Smartimer that automatically shuts off the toothbrush after the recommended two minutes of cleaning (unless using the MaxCare routine).