Turn a brick cell phone into a Bluetooth headset

Grooveking writes – “We are going to “Geek Out” a little here. To give you a little overview of what you will be doing, you will be taking an existing Bluetooth headset, wiring it up so it can receive charge from the existing brick phone battery (increases the talk time astronomically), and allowing the Bluetooth button to be controlled through the FCN button on the cell phone.” – Link.