Radio
Not unlike when you turn into Hot 97.5 FM, Toledo’s modern rock, to rock off your socks!<Air Horn> <Siren>. Wooh wooh! and listen in your car. Someone is transmitting a radio signal, and you have a device that can pick it up.
So basically just that. Its ultra low power radio (bluetooth) transmitter from your phone to a receiver in your earbuds. The radio transmission doesn’t go very far, but it goes far enough to get to your earbuds in your noggin.
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