SM10 or Freewire

[DMAGOLDRDR]

Here is what i ended up getting to send bikes information radio usb and can control volume and tracks via a 5 pin adapter. It is small and rechargeable

Your idea looks like a better option for the money.

Did you use a 5pin to 3.5 adapter like this

http://www.twistedthrottle.com/elect...MaAkWQEALw_wcB