Amazon.com: Logitech USB 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
How to Connect a Logitech Wireless Mouse to a Unifying Receiver
Logitech Mouse - Pairing with Original Non-Unifying Receiver - YouTube
Logitech Compact Wireless Mouse, 2.4 GHz with USB Unifying Receiver, Optical Tracking, Blue - Yahoo Shopping
ltunify | Tool for working with Logitech Unifying receivers and devices on openSUSE – CubicleNate's Techpad
Office Depot
Genuine Tiny Unifying Usb Receiver Dongle For Logitech Mouse And Keyboard Can Connect Up To Six (6) Devices W/ Unifying Logo - Keyboards - AliExpress
Logitech Wireless Mouse Gamer M235 Original Mice Unifying Receiver for Lap Top PC Ergonomic Optical Mini Computer Mouse - AliExpress