The Series 2100 with our unique technology brings you a powerful yet gentle clean. Safe and gentle to use, protecting your gums. Optimise your brushing with SmarTimer and QuadPacer. 14-day long lasting battery life. Removes up to 3x more plaque - The Sonicare Electric Toothbrush with advanced sonic technology is clinically proven to remove plaque up to 3X better than a manual toothbrush. It removes plaque from your teeth and along the gum line, without being harsh and whilst protecting your gums. SmartTimer and QuadPacer - 2 minute SmarTimer and 30-second QuadPacer guide you to brush for the recommended time in all areas of your mouth to ensure a complete clean. Model number: HX3651/13. Brush Technology:1 head included ProResults. Brush head replacement warning. 1 cleaning mode: daily clean, . 1 speed setting. Sonic technology for naturally whiter teeth. 31000 pulsations per minute. Quadpacer timer. Recharge indicator light. Rechargeable: 24 hours for full charge. 56 minutes usage time, based on 2 minutes twice a day. General information:Handle dimensions: H16.7, W3, D3.2cm. Toothbrush handle is 210g. Batteries required 1 x Li-Ion (included) . Suitable for ages 12 years and over. Manufacturer’s 2 year guarantee. EAN: 8710103985501.