The positioning bracelet customized for prison inmates cannot be self-released. Wireless charging method.
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I also took a project of this kind before, prison Beacon, which was not discussed later.
Can you break the code with your teeth?
"The belt cannot be self-released" is not reflected; and this should not be called wireless charging, and the contact type may be more appropriate
Young man! On behalf of the brothers in prison, I thank you yo I!!!
Then this one should be waterproof
Well, there's this kind of equipment.