jair@x1:/etc/default$ dpkg -l | grep blue
ii  blueman                                     2.0.4-1ubuntu2                                              amd64        Graphical bluetooth manager
ii  bluetooth                                   5.37-0ubuntu5                                               all          Bluetooth support
ii  bluez                                       5.37-0ubuntu5                                               amd64        Bluetooth tools and daemons
ii  bluez-obexd                                 5.37-0ubuntu5                                               amd64        bluez obex daemon
ii  gir1.2-gnomebluetooth-1.0:amd64             3.18.2-1ubuntu2                                             amd64        Introspection data for GnomeBluetooth
ii  libbluetooth3:amd64                         5.37-0ubuntu5                                               amd64        Library to use the BlueZ Linux Bluetooth stack
ii  libgnome-bluetooth13:amd64                  3.18.2-1ubuntu2                                             amd64        GNOME Bluetooth tools - support library
ii  pulseaudio-module-bluetooth                 1:8.0-0ubuntu3                                              amd64        Bluetooth module for PulseAudio sound server
jair@x1:/etc/default$