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remote ring / smart ring

remote ring
remote ring

Nowadays,more and more people use E-books to read.We find we have to click or slip the screen frequently when we need to read next page.It is inconvenient of us to read.
Remote Ring help us finish these actions in its own screen just like the remote.It means we could read e-books easily and keep a certain distance to protect our eyes.

University

wuhan university of science and

wuhan university of science and
wuhan, China

taotao pan,
wuhan university of science and