Philips Sonicare Series 4300 ProtectiveClean Electric Toothbrush - Black HX6800/44 Cleaner Teeth. Gently does it. Healthier gums in just 2 weeks. Philips Sonicare ProtectiveClean 4300 uses our unique sonic technology which drives fluid deep between teeth along with our specially designed brush heads to gently but effectively remove plaque in-between teeth and along the gum line. Simply brush with our Philips Sonicare ProtectiveClean 4300 for 2 minutes twice a day for increased plaque removal for healthier teeth and gums in just 2 short weeks1. The in-built pressure sensor alerts you when you are brushing too hard to ensure that you do not damage your teeth and gums. Dental Professionals recommend to replace your brush head every 3 months, however we understand it can be hard to remember when you switch brush heads and is your current brush head still okay to use? The brush head replacement reminder technology measures your usage and brushing pressure and alerts you to replace your brush head when it's no longer performing optimally to ensure you are consistently getting the best cleaning results. Accessory List: 1 handle, 1 W2 Optimal White brush head, 1 Charger Brush Type: Whitening Digitial Display: N Electric: Y Power Type: Battery Rchargeable: Y Sensitive: N Whitening: Y World Wide Voltage: Y Pressure Sensore alerts you when you are brushing too hard Bursh Head Replacement Reminder alerts you to replace your brush head when it is no longer performing Modes: 1 Cleaning Mode with 2 intensities to personalise your brushing Quadpacer alerts you to move on to each section of your mouth while our smart-timer signals when your total time is up Our sonic technology is suitable for use with braces, fillings, crowns and veneers The W2 Optimal White brush head removes surface stains to reveal a whiter smile in just one week. 2 weeks battery life limiting the need for frequent charging. 2-year limited warranty