the PHILIPS one is a battery powered electric toothbrush. wherever you go, the PHILIPS one goes with you. its sleek, lightweight design and portable case make it the perfect brush for travelling or cleaning on the go. the contoured bristles gently clean and polish your teeth with 13,000 micro vibrations per minute. while the built in timer means you get reminders every 30 seconds to remind you to change your brushing position. a final longer buzz at the 2 minute mark lets you know when cleaning is finished allowing you to keep and maintain a healthy brushing routine. PHILIPS one is powered by just one single aaa battery and lasts up to 90 days. that's three months of whiter, brighter smiling. the PHILIPS one comes in a selection of colours, you can mix and match the brush head with the handle of your choice for a colour combination that suits you.