Logitech Unifying USB Receiver, Wireless 2.4 GHz Connection, Compatible with Logitech Unifying Mouse and Keyboards, Connects up to 6 Devices Simultaneously, PC/Mac - Black : Amazon.de: Computer & Accessories
Amazon.in: Buy Logitech New Unifying USB Receiver for Mouse and Keyboard, (993-000596) Online at Low Prices in India | Logitech Reviews & Ratings
How to Pair Mouse & Keyboard with Logitech Unifying Receiver
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Logitech Unifying Receiver for Connecting Multiple Devices
Connecting a Logitech device to your Unifying Receiver (Windows and Mac) - YouTube
What Is A Logitech Unifying Receiver And How Can You Benefit From It?