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
What is a Logitech Unifying receiver and how can you benefit from it? - Newcom
Amazon.com: USB Receiver for Logitech G703 for Lightspeed Mouse, 2.4 GHz Wireless Mouse Receiver Adapter Replacement, Gaming Mouse Unifying Receiver, Fro Gaming Mice : Video Games
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