k480 can connect to three Bluetooth devices at the same time, supporting Windows, Android, Chrome, Mac OS X, and IOS systems. The official does not support Ubuntu.
There is oppression, there is resistance, er ..., no, there is always a way to connect k480 under Ubuntu system.
The way to connect k480 under Ubuntu is:
Installing the Bluetooth tool
$sudoinstall bluez-hcidump bluez-utils Bluez-compat
Opening two console windows
First console window input: $sudo hcidump-at | The grep pass will then output the pairing password
Adjust the keyboard to Discovery mode
In the Second console window, enter: $hcitool scan
Wait a few seconds and the MAC address of the keyboard will be output, such as
Scanning ...
XX:XX:XX:XX:XX:XX Logitech Keyboard K480
Use MAC address as parameter
$sudo bluez-simple-agent hci0 XX:XX:XX:XX:XX:XX
You can see the pairing password on the first console window, enter the pairing password on the K480 Bluetooth keyboard, and after the pairing is successful, you will see the following in the Second console window:
Release
New Device (/ORG/BLUEZ/9330/HCI0/DEV_XX_XX_XX_XX_XX_XX)
It's fun to play, k480.
troubleshoot problems with Bluetooth connectivity after a computer restart:
Download to Software Center: Bluetooth Manager
Right-click the matching keyboard and select "Trust"
Continue to have a pleasant play k480
Resources
https://forums.logitech.com/t5/Keyboards-and-Keyboard-Mice/Pairing-Logitech-k480-and-Kubuntu-14-04/td-p/1311477
Logitech k480 Bluetooth Keyboard connects to Ubuntu system