Sub-health really corrupts us
I hope this design can help you
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This was sold in my primary school school, that is, there will be a voice reminder from a certain angle when I lower my head.
Is there a link
This straight line is not drawn straight.
I think this design will be more practical in the office seat to remind sedentary people to get up and walk. And the cost cannot be too high, otherwise the boss will not buy
Uh, clip your ears
The woman's wear is OK, the man is a bit strange.
Like an earring
How to use it