Get Upto $80 Discount On Tao Toothbrush At Bestbuy.com. Start and end the day with the Tao Aura Clean toothbrush system. The charging base dries and stores the brush, and the base uses UV light to kill up to 99.9 percent of germs. The brush in the Tao Aura Clean toothbrush system keeps the teeth sparkling clean with two speeds that provide up to 40,000 strokes per minute. It provide brush protection through the 360 Aura Clean Halo Lamp that kills over 99.9% of germs and dry toothbrush.