For personalised items, allow 5-10 working days for delivery. Gentle and effective in removing plaque and discolouration  2-minute self-timer  3-speed settings to suit all Long-lasting battery  3 heads included  Protective travel case included Type G electrical plug (British three-pin plug) Personalised, deep-cleaning action in just 2 minutes.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.