Sonicare HX673202 Healthy White Rechargeable Sonic Toothbrush Sonicare HX673202 Healthy White Rechargeable Sonic Toothbrush. Make your teeth shine with the Sonicare Healthywhite electric toothbrush. With its 40minute battery life and sonic technology the HX673202 removes plaque while protecting your teeth from stains and your gums from gingivitis. The Sonicare Healthywhite HX673202 also includes two brush heads and three brushing modes including cleaning ensitive teeth and whitening so you will have sparkling white and healthy teeth.