Question

how to make wireless earphone... through copper wire and aluminum foil

Answer 1

Remove the adapter and you've got a 3.5mm jack on a Bluetooth receiver that'll work with pretty much any standard pair ofheadphones or earbuds. You'll be able to connect your Mpow up to two devices at the same time, with a range of up to 30 feet in open spaces

Answer 2

Answer:

Cut off the jack and two earbuds with some length of wire.wrap aluminium foil at the tip of all parts

It is ready

Explanation: