Key Features and Benefits: Microburst technology Microburst technology applies a quick burst of pressurized air and micro-water droplets to clean deep between teeth where a toothbrush can't reach. Charging after two weeks The AirFloss lasts two weeks between charging. Slim, angled nozzle Slim, angled nozzle for easy to even the hard-to-reach areas. Guidance tip Simply glide the guidance tip along the gum-line until you feel it settle between the teeth. It provides easy positioning even on those hard-to-reach back teeth. Easy-to-fill reservoir Easy-to-fill reservoir uses only a tiny amount of water for less mess. Fill with mouthwash for enhanced oral health benefits. Fits Sonicare chargers You only need one charger to charge your Sonicare products. Removes up to 99% more plaque Removes up to 99% more plaque between teeth than brushing with a manual toothbrush alone; proven to improve oral health effectively.