nikita@nikita-desktop:~$ modprobe btusb
nikita@nikita-desktop:~$ modprobe btusb
nikita@nikita-desktop:~$ systemctl restart bluetooth.service
nikita@nikita-desktop:~$ lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 007: ID 045e:07f8 Microsoft Corp. Wired Keyboard 600 (model 1576)
Bus 001 Device 006: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode)
Bus 001 Device 005: ID 04e8:6864 Samsung Electronics Co., Ltd GT-I9070 (network tethering, USB debugging enabled)
Bus 001 Device 003: ID 1b3f:2247 Generalplus Technology Inc. GENERAL WEBCAM
Bus 001 Device 002: ID 045e:00cb Microsoft Corp. Basic Optical Mouse v2.0
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
nikita@nikita-desktop:~$ bluetoothctl list
nikita@nikita-desktop:~$