on the left, a comfortable set of headphones i've had for a while, on the right, a set of a2dp bluetooth headphones/headset
disconnecting the headphone input wires
i added a phono output jack which allowed for output of the bluetooth audio if required. also you can still (if you have a phono cable extension) use the headphones as normal wired ones.
warranty void!
the guts
the battery
the bluetooth module
removed from the casing
still works!
slowly wiring it in
i cut a hole so i could mount a portion of the bluetooth headset and use its original buttons
the headset linked to its dongle
charging
detail of the cable
i added a boom mic for better phone use
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