andrea@andrea-HP-250-G3-Notebook-PC:~$ dmesg | grep -i blue
[   16.833917] Bluetooth: Core ver 2.17
[   16.834001] Bluetooth: HCI device and connection manager initialized
[   16.835645] Bluetooth: HCI socket layer initialized
[   16.835654] Bluetooth: L2CAP socket layer initialized
[   16.835668] Bluetooth: SCO socket layer initialized
[   16.855505] Bluetooth: RFCOMM TTY layer initialized
[   16.855520] Bluetooth: RFCOMM socket layer initialized
[   16.855529] Bluetooth: RFCOMM ver 1.11
[   16.867389] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[   16.867395] Bluetooth: BNEP filters: protocol multicast
[   16.867406] Bluetooth: BNEP socket layer initialized
andrea@andrea-HP-250-G3-Notebook-PC:~$