How to pair more than one device with a Logitech receiver
Logitech Mk540 Wireless Keyboard And Mouse Combos Set Unifying Usb Receiver Wireless Mice Keyboard Kit For Home Office Pc Laptop - Keyboard Mouse Combos - AliExpress
Wireless Dongle Receiver Unifying USB Adapter for logitech Mouse Keyboard Connect 6 Device for MX M905 M510 Keyboard K400
Bluetooth Setup for Keyboard | Logitech Support
How to Connect Logitech K540 Keyboard to Your Computer - DeviceMAG
Can I connect a Logitech keyboard without a receiver? - Quora
How to Connect your Logitech Keyboard using Bluetooth | MX Keys, Pop Keys, K860. - YouTube
Logitech MK540 Advanced wireless keyboard and mouse review: Snappy typing, no noise | PCWorld