Clean your pearly whites with a philips sonicare hx5641/99 essence rechargeable electric toothbrush in dark blue. This electric toothbrush pushes fluid between your teeth and along the gumline for a deep, fresh clean. The sonicare essence has a 2-minute timer, and its battery lasts up to 3 weeks on a single charge. Plus, when you brush your teeth regularly with this sonicare toothbrush, you'll have less plaque and healthier gums. Ages 10 and up.