Connecting a Logitech device to your Unifying Receiver (Windows and Mac) - YouTube
Amazon.com: Logitech Unifying Receiver, 2.4 GHz Wireless Technology, USB Plug Compatible with all Logitech Unifying Devices like Wireless Mouse and Keyboard, PC / Mac / Laptop - Black : Electronics
Logitech Unifying Receiver for Connecting Multiple Devices
How to pair more than one device with a Logitech receiver
Logitech's new Mac-specific mouse and keyboards are the new best choices for Mac input devices | TechCrunch