Sonic toothbrush Up to 31,000 sonic pulse per minute generates powerful cleaning action removes plaque along the gumline and deep between teeth.inductive charging with LED indicator, Lighting ring indication when charging and low battery.Automatic UV light shut-off  when opened during operation. It  washes away loosened plaque from the spaces between the teeth and gently massages the gums. The result is healthier gums. Regular cleaning assists in the prevention of gum disease and improves your personal dental and oral hygiene.