(2)3 Working Modes(Soft cleaning mode, powerful cleaning mode, massaging mode)and cold light whitening mode(The toothbrush does not vibrate when the light is cold) (3) Fully automatic toothbrush,innovative technology, can completely free hands when brushing,completely achieve all the teeth synchronization cleaning,greatly save the time of brushing, thus improve the efficiency of life. (4) Unique U-shape Bite Design:U-shaped bite is designed to fit the mouth shape,can clean the surface and interior of the teeth in all directions. (5) Body optimization, smaller, increased frequency, increased life of 10 days. (6) By wool encryption, cleanliness up to 99%. (7) Deep waterproofing,whole body wash without fear of water source.