1.SPECIAL DESIGN: Clinically proven to prevent new stains from forming, with regular use | 2.SUPERIOR WHITENING: Clinically proven to remove up to 100% more stains in 7 days than a manual toothbrush | 3.GENTLE & EFFECTIVE: Soft, densely packed bristles remove surface stains and whiten your teeth, while gently protecting your gums | 4.NO GUESSING: Built-in brush head replacement reminder lets you know when to replace your brush head, so you don’t have to remember | 5.BETTER TOGETHER: Get the most from any Sonicare click-on handle with genuine Sonicare brush heads that are designed to work together and provide optimal performance