I have a like new Bluetooth Bridge telemetry setup for sale. Instead of using an OTG USB adapter to connect your 3DR telemetry radio, you can connect wirelessly through Bluetooth to your Android phone or PC/Mac/Linux. It's incredibly handy if you don't like wires and definitely worth using, however, I don't use it all that often so it's going up for sale.
The system includes a 1000mAh LiPo to power the Bluetooth radio, telemetry radio, and will also charge via USB. Wiki is here (http://event38.wikispaces.com/Bluetooth+Bridge). It'll also work with the RDF900 long range telemetry if you're on 900MHz.
$120 shipped in the CONUS. Comment on this thread for the fastest response and initiate a PM with friend request here as well so we can continue conversation through PM.