[LilyBosch]

Research studies suggest that manual brushing for 30 to 60 seconds is not enough to clean the plaque off one's teeth. Most electric toothbrushes have a built in two-minute timer feature that Cheeeese Electric Toothbrush Kit has a 30-second beep that signals time to change to another area of one's mouth to clean. Having a timer in one's electric brush can help lengthen the cleaning time.