~ $ bluetoothctl
Waiting to connect to bluetoothd...
~ $ sudo modprobe btusb
~ $ systemctl start bluetooth
~ $ bluetoothctl
Agent registered
[bluetooth]# scan on
Discovery started
[CHG] Controller 34:02:86:95:E9:7F Discovering: yes
[NEW] Device 5A:26:51:A5:65:B2 Jam Rewin
[NEW] Device A4:C1:38:00:EE:AA ihoment_H6138_EEAA
[CHG] Device 5A:26:51:A5:65:B2 RSSI: -46
[NEW] Device A4:C1:38:E9:D2:7C ihoment_H6196_D27C
[NEW] Device E3:8E:C8:C2:14:A1 Govee_H5074_14A1
[CHG] Device 5A:26:51:A5:65:B2 Name: Jam Rewind
[CHG] Device 5A:26:51:A5:65:B2 Alias: Jam Rewind
[DEL] Device 5A:26:51:A5:65:B2 Jam Rewind
[NEW] Device 5A:26:51:A5:65:B2 Jam Rewind
[bluetooth]# connect 5A:26:51:A5:65:B2
Attempting to connect to 5A:26:51:A5:65:B2
[DEL] Device 5A:26:51:A5:65:B2 Jam Rewind
[bluetooth]# scan on
Failed to start discovery: org.bluez.Error.InProgress
[CHG] Device E3:8E:C8:C2:14:A1 ManufacturerData Key: 0x004c
[CHG] Device E3:8E:C8:C2:14:A1 ManufacturerData Value:
  02 15 49 4e 54 45 4c 4c 49 5f 52 4f 43 4b 53 5f  ..INTELLI_ROCKS_
  48 57 50 74 a1 14 c2                             HWPt...
[NEW] Device 5A:26:51:A5:65:B2 Jam Rewind
[bluetooth]# connect 5A:26:51:A5:65:B2
Attempting to connect to 5A:26:51:A5:65:B2
[DEL] Device 5A:26:51:A5:65:B2 Jam Rewind
[NEW] Device 5A:26:51:A5:65:B2 Jam Rewind
[bluetooth]# power off
Changing power off succeeded
[CHG] Device 5A:26:51:A5:65:B2 TxPower is nil
[CHG] Device 5A:26:51:A5:65:B2 RSSI is nil
[CHG] Device E3:8E:C8:C2:14:A1 RSSI is nil
[CHG] Device A4:C1:38:E9:D2:7C RSSI is nil
[CHG] Device A4:C1:38:00:EE:AA RSSI is nil
[CHG] Controller 34:02:86:95:E9:7F Powered: no
[CHG] Controller 34:02:86:95:E9:7F Discovering: no
[CHG] Controller 34:02:86:95:E9:7F Class: 0x00000000
[bluetooth]# power on
Changing power on succeeded
[CHG] Controller 34:02:86:95:E9:7F Powered: yes
[bluetooth]# connect 5A:26:51:A5:65:B2
Attempting to connect to 5A:26:51:A5:65:B2
[CHG] Device 5A:26:51:A5:65:B2 Connected: yes
[CHG] Device 5A:26:51:A5:65:B2 UUIDs: 00001108-0000-1000-8000-00805f9b34fb
[CHG] Device 5A:26:51:A5:65:B2 UUIDs: 0000110b-0000-1000-8000-00805f9b34fb
[CHG] Device 5A:26:51:A5:65:B2 UUIDs: 0000110c-0000-1000-8000-00805f9b34fb
[CHG] Device 5A:26:51:A5:65:B2 UUIDs: 0000110e-0000-1000-8000-00805f9b34fb
[CHG] Device 5A:26:51:A5:65:B2 UUIDs: 0000111e-0000-1000-8000-00805f9b34fb
[CHG] Device 5A:26:51:A5:65:B2 ServicesResolved: yes
[CHG] Device 5A:26:51:A5:65:B2 Paired: yes
Connection successful
[DEL] Device E3:8E:C8:C2:14:A1 Govee_H5074_14A1
[DEL] Device A4:C1:38:00:EE:AA ihoment_H6138_EEAA
[DEL] Device A4:C1:38:E9:D2:7C ihoment_H6196_D27C
[Jam Rewind]# scan on
Discovery started
[CHG] Controller 34:02:86:95:E9:7F Discovering: yes
[NEW] Device A4:C1:38:E9:D2:7C ihoment_H6196_D27C
[NEW] Device A4:C1:38:00:EE:AA ihoment_H6138_EEAA
[Jam Rewind]# scan off
Discovery stopped
[CHG] Device A4:C1:38:00:EE:AA RSSI is nil
[CHG] Device A4:C1:38:E9:D2:7C RSSI is nil
[CHG] Controller 34:02:86:95:E9:7F Discovering: no
[DEL] Device A4:C1:38:E9:D2:7C ihoment_H6196_D27C
[DEL] Device A4:C1:38:00:EE:AA ihoment_H6138_EEAA
[Jam Rewind]# quit