Our best-selling Sonic Toothbrush, now available in Limited Edition Midnight Navy. Online Exclusive Up to 70 Day Battery Life  9 months of Replacements Heads included 2-minute self-timer  3-speed settings to suit all Travel case included Charger included Specification met: CE Using professionally designed sonic technology, our Sonic Toothbrush uses efficient, high-frequency brush movements to ensure both toothpaste and oxygen are delivered to even the most inaccessible parts of the mouth.