Logitech K480 920-006343 Wireless Keyboard for sale online | eBay
Amazon.com: Logitech K380 Multi-Device Bluetooth Keyboard – Windows, Mac, Chrome OS, Android, iPad, iPhone, Apple TV Compatible – with Flow Cross-Computer Control and Easy-Switch up to 3 Devices – Dark Grey :
Ask a Swiss: How to connect a non-Unifying Logitech keyboard & mouse to a new dongle