Short description: Philips HX6839/28 is an electric toothbrush with Sonicare technology, which removes plaque more effectively and cleans teeth more deeply. It is equipped with 2 cleaning modes: “Clean” for daily cleaning, “White” for more intensive brushing. The brush has two intensity modes: “Low” and “High”, which allows you to choose the optimal mode for your sensitivity of teeth and gums. The brush has a 2 minute timer that ensures you brush your teeth for the recommended amount of time. The brush is powered by a battery that provides up to 3 weeks of battery life after a full charge.