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
Logitech M510 Wireless Mouse with Laser-grade Tracking
Logitech Wireless Optical Mouse With Nano Receiver M317 - Black : Target
Genuine Tiny Unifying Usb Receiver Dongle For Logitech Mouse And Keyboard Can Connect Up To Six (6) Devices W/ Unifying Logo - Keyboards - AliExpress
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
Logitech Unifying USB Receiver for Wireless Mouse and Keyboard, 6-Device (910-005235) | Staples
LOG910002650 - Logitech M325 Wireless Mouse, 2.4 GHz with USB Unifying Receiver, 1000 DPI Optical Tracking, 18-Month Life Battery, PC / Mac / Laptop / Chromebook (NEW BLUE) - Optical - Wireless -
Logitech Unifying Receiver for Connecting Multiple Devices
Pair Logitech Mouse to Original Non Unifying Receiver - YouTube
Logitech M510 Wireless Computer Mouse – Comfortable Shape with USB Unifying Receiver with Back/Forward Buttons and Side-to-Side Scrolling Red 910-004554 | Fast Server Corp. www.srvfast.com