Voici le résultat de quelques cmd :
systemctl status bluetooth.service
bluetooth.service - Bluetooth service
Loaded: loaded (/usr/lib/systemd/system/bluetooth.service; enabled; vendor preset: enabled)
Active: active (running) since Sun 2019-07-28 14:37:58 CEST; 3h 27min ago
Docs: man:bluetoothd(8)
Main PID: 986 (bluetoothd)
Status: "Running"
Tasks: 1 (limit: 4915)
Memory: 2.6M
CGroup: /system.slice/bluetooth.service
└─986 /usr/libexec/bluetooth/bluetoothd
juil. 28 14:37:58 localhost.localdomain bluetoothd[986]: Bluetooth management interface 1.14 initialized
juil. 28 14:38:14 localhost.localdomain bluetoothd[986]: Endpoint registered: sender=:1.205 path=/MediaEndpoint/A2DPSource
juil. 28 14:38:14 localhost.localdomain bluetoothd[986]: Endpoint registered: sender=:1.205 path=/MediaEndpoint/A2DPSink
juil. 28 15:26:21 localhost.localdomain bluetoothd[986]: Pair device timed out for hci0
juil. 28 15:30:09 localhost.localdomain bluetoothd[986]: Endpoint unregistered: sender=:1.205 path=/MediaEndpoint/A2DPSource
juil. 28 15:30:09 localhost.localdomain bluetoothd[986]: Endpoint unregistered: sender=:1.205 path=/MediaEndpoint/A2DPSink
juil. 28 15:30:12 localhost.localdomain bluetoothd[986]: Endpoint registered: sender=:1.205 path=/MediaEndpoint/A2DPSource
juil. 28 15:30:12 localhost.localdomain bluetoothd[986]: Endpoint registered: sender=:1.205 path=/MediaEndpoint/A2DPSink
juil. 28 15:32:14 localhost.localdomain bluetoothd[986]: Pair device timed out for hci0
juil. 28 15:36:21 localhost.localdomain bluetoothd[986]: Pair device timed out for hci0
lspci
00:00.0 Host bridge: Intel Corporation Broadwell-U Host Bridge -OPI (rev 09)
00:02.0 VGA compatible controller: Intel Corporation HD Graphics 5500 (rev 09)
00:03.0 Audio device: Intel Corporation Broadwell-U Audio Controller (rev 09)
00:14.0 USB controller: Intel Corporation Wildcat Point-LP USB xHCI Controller (rev 03)
00:16.0 Communication controller: Intel Corporation Wildcat Point-LP MEI Controller #1 (rev 03)
00:19.0 Ethernet controller: Intel Corporation Ethernet Connection (3) I218-LM (rev 03)
00:1b.0 Audio device: Intel Corporation Wildcat Point-LP High Definition Audio Controller (rev 03)
00:1c.0 PCI bridge: Intel Corporation Wildcat Point-LP PCI Express Root Port #2 (rev e3)
00:1c.1 PCI bridge: Intel Corporation Wildcat Point-LP PCI Express Root Port #3 (rev e3)
00:1d.0 USB controller: Intel Corporation Wildcat Point-LP USB EHCI Controller (rev 03)
00:1f.0 ISA bridge: Intel Corporation Wildcat Point-LP LPC Controller (rev 03)
00:1f.2 SATA controller: Intel Corporation Wildcat Point-LP SATA Controller [AHCI Mode] (rev 03)
00:1f.3 SMBus: Intel Corporation Wildcat Point-LP SMBus Controller (rev 03)
00:1f.6 Signal processing controller: Intel Corporation Wildcat Point-LP Thermal Management Controller (rev 03)
04:00.0 Network controller: Intel Corporation Wireless 7265 (rev 99)