Using
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dmesg | grep -i blue
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[ 3.683855] Bluetooth: Core ver 2.22
[ 3.683866] Bluetooth: HCI device and connection manager initialized
[ 3.683868] Bluetooth: HCI socket layer initialized
[ 3.683869] Bluetooth: L2CAP socket layer initialized
[ 3.683873] Bluetooth: SCO socket layer initialized
[ 3.691891] Bluetooth: hci0: BCM: chip id 63
[ 3.700156] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 3.700156] Bluetooth: BNEP filters: protocol multicast
[ 3.700159] Bluetooth: BNEP socket layer initialized
[ 3.707904] Bluetooth: hci0: BCM20702A
[ 3.708904] Bluetooth: hci0: BCM20702A1 (001.002.014) build 0000
[ 3.709619] bluetooth hci0: firmware: direct-loading firmware brcm/BCM20702A1-0a5c-21f1.hcd
[ 4.632008] Bluetooth: hci0: BCM20702A1 (001.002.014) build 1765
[ 4.648017] Bluetooth: hci0: Broadcom Bluetooth Device
lsusb:
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Bus 002 Device 008: ID 04d9:a070 Holtek Semiconductor, Inc.
Bus 002 Device 007: ID 28da:1102
Bus 002 Device 006: ID 0bda:5401 Realtek Semiconductor Corp. RTL 8153 USB 3.0 hub with gigabit ethernet
Bus 002 Device 003: ID 0bda:5401 Realtek Semiconductor Corp. RTL 8153 USB 3.0 hub with gigabit ethernet
Bus 002 Device 002: ID 8087:8000 Intel Corp.
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 006: ID 0a5c:21f1 Broadcom Corp. HP Portable Bumble Bee
Bus 001 Device 004: ID 051d:0002 American Power Conversion Uninterruptible Power Supply
Bus 001 Device 003: ID 17a0:0310 Samson Technologies Corp. Meteor condenser microphone
Bus 001 Device 002: ID 8087:8008 Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 004: ID 0bda:0401 Realtek Semiconductor Corp.
Bus 004 Device 003: ID 0bda:0401 Realtek Semiconductor Corp.
Bus 004 Device 002: ID 1058:0837 Western Digital Technologies, Inc.
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
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0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
1: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
hcitool dev:
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Devices:
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[bluetooth]# devices
No default controller available
[bluetooth]#