With 31,000 brush strokes per minute, the Philips Sonicare HX6921 White Flexcare Toothbrush provides effective oral care every time you brush your teeth. With 5 different modes, you can select a cleaning routine that tailors to your needs. The ProResults Gum Health brush head is both gentle and effective, removing up to 6x more plaque than a manual toothbrush. With 5 modes: Clean, Gum Care, Massage, Sensitive and Refresh, to ensure you can select the correct routine to meet your oral hygiene needs. Model number: HX6921/43 . Timer for better brushing. Quadpacer timer encourages attentive brushing of each quadrant of the mouth. 5 cleaning modes: sensitive, massage, . 1 brush head: proresults gum health brush head. 1 speed setting. 31,000 pulsations per minute. Sonic technology for naturally whiter teeth. Ergonomic handle - to make the brush more comfortable to hold and use. Recharge indicator light. Rechargeable: 24 hours for full charge. 84 minutes usage time, based on 2 minutes twice a day. 2-pin adaptor. General information: Li-Ion . Manufacturers 2 year guarantee.