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The form of hardware has developed towards fashionable electronics. Why doesn't software keep up?
..... You can be met every website
It would be great if this technology could be realized......
If you don't need needles, this product is very good. Please popularize it quickly.
At least for now, hospitals and families have not yet popularized it. I hope it can be popularized early.
No need to poke?
This is like headphones.