Procter & Gamble iO 4 - 3 Brush Heads Travel Case

Featuring Oral-B best technology, the iO 4 electric toothbrush combines a dentist-inspired round brush head with micro-vibrating bristles for a professional cleaning feel at home. The smart brushing pressure sensor helps prevent you from brushing too hard or too soft to better protect your gums. Gum Guard alerts you if you put too much pressure on your teeth. Replace your Oral-B iO brush head every 3 months for best results.