https://himself.files.wordpress.com/2013/05/bccmd-commands.pdf
https://assets.lairdtech.com/home/brandworld/files/Application%20Note%20-%20BT830%20BCCMD%20tool%20on%20Linux.pdf
http://www.blueradios.com/hardware.htm
http://cdn.lairdtech.com/home/brandworld/files/Application%20Note%20-%20BT44x%20Series%20HID%20Host.pdf