Amazon.com: Logitech C-U0007 Unifying Receiver for Mouse and Keyboard Works with Any Logitech Product That Display The Unifying Logo (Orange Star, Connects up to 6 Devices) (C-U0007) : Electronics
How to Connect a Logitech Wireless Mouse to a Unifying Receiver
Logitech Mouse - Pairing with Original Non-Unifying Receiver - YouTube
Logi Bolt USB Receiver for Multi-Computer / Device Use
How to add a device to a Logitech unifying receiver - Quora
Logitech Unifying Receiver for Connecting Multiple Devices