The Philips One by Sonicare Battery Toothbrush in Midnight Blue (Model HY1100/04) is a sleek and portable electric toothbrush designed to enhance your oral care routine. It features micro-vibrations and contoured bristles that gently clean and polish your teeth, resulting in a brighter smile. The lightweight design includes a matching travel case, making it convenient for on-the-go use. The toothbrush operates on a single AAA battery, providing up to 90 days of brushing. It also includes a 2-minute SmarTimer with 30-second Quadpacer to guide you through the recommended brushing time.