Logitech Unifying USB Receiver PN 993-000439 Wireless Mouse and Keyboard | eBay
Logitech M720 Triathlon Multi-Device Wireless Mouse, Bluetooth, USB Unifying Receiver, 1000 DPI, 8 Buttons, 2-Year Battery, Compatible with Laptop, PC, Mac, iPadOS - Black - Newegg.com
Amazon.com: Logitech USB Unifying Receiver - 2 Pack For Personal Computer : Electronics
Unifying USB Wireless Receiver Dongle for Logitech Performance Mouse & Keyboard | eBay
Logitech Unifying Receiver for Connecting Multiple Devices
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 - Wikipedia
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 - Wikipedia
Logitech Unifying Receiver for Connecting Multiple Devices