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It is difficult for the blind man to know the time.In a noisy environment, or in some public places, the voice can not help them. At this time, you can feel things through touch.This is a design of the barrier free watch. It was designed for the blind. The blind can read the time in the way of touch, not to rely on others or sound.At the same time, this watch also applies to normal people. In particular, we can use this watch when we are sporting. You don't need to use your eyes to see the time when you are running.
SouthChina Agricultural University
College of Engineering
Guangzhou City, Guangdong Province,, China