Bluetooth Recorder is the recorder you are looking for. It allows you to record in different formats and extensions (.3gp .mp4 .m4a .amr) via bluetooth and via built-in microphone.

Bluetooth Recorder does everything that makes a normal recorder with the added ability to record via headset!!

Bluetooth Recorder also has a built-in player to listen to your recordings!!!

-IT RECORDS IN BACKGROUND;
-USE YOUR FILES;

NOTE: this app is NOT a call recorder!!!!

REMEMBER: the effective range of the bluetooth is about 10 meters in open space. The obstacles (walls doors etc.) will decrease the bluetooth segnal.

Use Bluetooth Recorder to record university lectures
conferences etc.