How to Connect a Logitech Wireless Mouse to a Unifying Receiver
3 Ways to Connect a Logitech Wireless Mouse on PC or Mac - wikiHow
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