Good to know- Keep your teeth plaque and stain free - the sonic vibrations quickly tackle all the impurities and leave just a brilliant smile- Personalise your brushing to suit what you want - you can choose from Sensitive, Clean and White modes- It has a 30-second interval timer, making it easy to clean one section of your mouth at a time- The timer also switches the toothbrush off after 2 minutes, so you'll know when to stop using it- You pretty much don't need to charge this one, there's up to 300 days of battery life