Bone conduction headphones are another way, besides traditional earbuds or headphones to listen to a device (music, videos, phone calls, etc.) without others he
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Bone conduction earphones can help people with hearing problems to listen to music, watch videos, and answer calls.
Bone conduction earphones are perfect if you feel uncomfortable wearing traditional in-ear earphones or earbuds.
You can buy them on Amazon!
They should have these magnets you mention on the infinity cable.
I think this has been done, or if not, its about to be done.