Amazon.com: Unifying Receiver for Mouse and Keyboard Compatible for Any Logitech Product That Display The Unifying Logo (Orange Star, Connects up to 6 Devices) 001 : Electronics
Logitech K400 Plus Wireless Touch Keyboard - Newegg.com
Logitech Unifying receiver - Wikipedia
ltunify | Tool for working with Logitech Unifying receivers and devices on openSUSE – CubicleNate's Techpad
How to Connect Logitech Unifying USB Receiver, Bluetooth Pairing, Keyboard & Mouse, Pair 3 Devices - YouTube
Logitech K400 PLUS Wireless Touch Keyboard With Remote Touchpad 2.4Ghz Unifying Receiver Keypad For Android PC Laptop Smart TV - AliExpress
Logitech K400 Plus Touchpad Keyboard for TV connected PC
Wireless Dongle Receiver Unifying USB Adapter for Logitech Mouse Keyboard Connect 6 Device for MX M905 M950 M505 M510 - Walmart.com
Logitech WIRELESS TOUCH KEYBOARD K400 PLUS HTPC keyboard for PC connected TVs - Walmart.com
Logitech K400 Plus Wireless Touch Pad HTPC Keyboard for PC Connected TVs