Handfree: AVEI Music
When connecting each other, under Ubuntu 14.04, there is no extra driver installation, it will automatically paired up and connected, but one thing to remind.
There is a chance of successful connection but audio device is not shown in audio list, in this case, PulseAudio Volume Control is required to install and the following command is required to refresh the device list
sudo -i pactl load-module module-bluetooth-discover
Reference
http://askubuntu.com/questions/481951/bluetooth-headset-connects-but-not-showing-in-sound-settings/481958#481958?newreg=55ef497722e743faa525160cecc3cc4f
