Designed with you in mind, Philips One is a big step up from manual brushing.Micro vibrations and tapered bristles made of soft nylon gently polish teeth for a brighter smileTake your manual brushing experience to the next level by pairing regular brush motions with bristle micro-vibrations2 Minute Timer with 30 second notifications; 3 month battery lifeDentists recommend replacing brush heads every 3 months. Increased brushing VALUE as this bundle comes with 3 total brush headsThe One is made to travel so you can get that clean feeling any place. It's sleek and lightweight and fits neatly into a compact travel caseBrush heads match colorful handle for super sleek look. Handles are ONLY compatible with Philips One brush heads.Includes: One (1) Philips One by Sonicare Battery Toothbrush and matching brush head; +2 additional matching brush heads; 1 travel case; 1 AAA Battery