I'm trying to get a Microsoft Bluetooth dongle working in Ubuntu 18.04. Blueman says that there are no Bluetooth devices detected.

$ lsusb
Bus 002 Device 003: ID 0bda:8198 Realtek Semiconductor Corp. RTL8187B Wireless Adapter
Bus 002 Device 014: ID 045e:02e6 Microsoft Corp.
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 002: ID 046d:c52f Logitech, Inc. Unifying Receiver
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 003: ID 0bda:0158 Realtek Semiconductor Corp. USB 2.0 multicard reader
Bus 001 Device 002: ID 04f2:b070 Chicony Electronics Co., Ltd Camera
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub


I apologise if this is posted elsewhere, and I appreciate any help.