The Series 3100 with our unique technology brings you a powerful yet gentle clean. Built-in pressure sensor protects your teeth and gums. Always know when to replace your brush heads with the brush head replacement reminder, based on actual use. Optimise your brushing with SmarTimer and QuadPacer. 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. Protect your gums - Built-in pressure sensor automatically detects pressure you apply, warns you, and reduces the toothbrush vibrations automatically to help protect your gums. The toothbrush will make a pulsing sound as a reminder to ease off the pressure. Model number: HX3675/15. Brush Technology:1 head included ProResults. Brush head replacement warning. 2 cleaning modes including: daily clean, gum care, . 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 420g. Batteries required 1 x Li-Ion (included) . Suitable for ages 12 years and over. Manufacturer’s 2 year guarantee. EAN: 8710103985693.