rooks@lappy:~$ dmesg | grep -i blue
[19438.819682] Bluetooth: Core ver 2.15
[19438.819778] Bluetooth: HCI device and connection manager initialized
[19438.819785] Bluetooth: HCI socket layer initialized
[19438.862252] Bluetooth: Generic Bluetooth USB driver ver 0.6
[19439.033101] Bluetooth: L2CAP ver 2.14
[19439.033110] Bluetooth: L2CAP socket layer initialized
[19439.124848] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[19439.124864] Bluetooth: BNEP filters: protocol multicast
[19439.196758] Bluetooth: SCO (Voice Link) ver 0.6
[19439.196767] Bluetooth: SCO socket layer initialized
[19439.488567] Bluetooth: RFCOMM TTY layer initialized
[19439.488585] Bluetooth: RFCOMM socket layer initialized
[19439.488592] Bluetooth: RFCOMM ver 1.11