Q: How to use Bluetooth audio when recording video?

If you just want to record audio, try Recorder Plus:

https://itunes.apple.com/us/app/recorder-plus-ii/id502271511

If you want to record both audio and video in SYNC, try:

Nolan LiveMIC Bluetooth Remote Microphone - http://amzn.to/1VfAbqI

Captures app - https://itunes.apple.com/us/app/captures/id898573489

For a lag-free recording, use:

Nolan LiveMICRX Bluetooth Wireless Remote Microphone Transmitter and Voice Receiver Set

http://amzn.to/1Wma7un

HTH

<Edited by Host>

Bluetooth degrades quality and has an annoying lag. Use this solution for crisp recording instead:

Rode SmartLav+ - http://amzn.to/296LbrH

Rode SC6 Breakout box - http://amzn.to/292JOrD

Rode SC1 TRRS Extension Cable - http://amzn.to/29nvCdg

HTH