Amazon.com: New Logitech Unifying USB Receiver for Mouse MX M905 M950 M505 M510 M525 M305 M310 M315 M325 M345 M705 M215 : Electronics
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It's been years since USB-C became the standard. Where is the USB-C unifying receiver? : r/logitech
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 Receiver for Connecting Multiple Devices
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Logitech MX MASTER 3S WIRELESSMOUSE UNIFYING RECEIVER OR (910-005710)
Logitech Unifying Receiver 1 to 6 Devices USB Dongle for Wireless Keyboard Mouse for sale online | eBay
FreeKB - Logitech Resolve "There is no Unifying receiver plugged into your computer"