andrea@andrea-HP-250-G3-Notebook-PC:~$ dmesg | grep -i blue
[   35.773529] Bluetooth: Core ver 2.17
[   35.773563] Bluetooth: HCI device and connection manager initialized
[   35.773573] Bluetooth: HCI socket layer initialized
[   35.773577] Bluetooth: L2CAP socket layer initialized
[   35.773585] Bluetooth: SCO socket layer initialized
[   35.994658] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[   35.994664] Bluetooth: BNEP filters: protocol multicast
[   35.994675] Bluetooth: BNEP socket layer initialized
[   36.057876] Bluetooth: RFCOMM TTY layer initialized
[   36.057891] Bluetooth: RFCOMM socket layer initialized
[   36.057901] Bluetooth: RFCOMM ver 1.11