Logitech USB Unifying Receiver, Black | OfficeSupply.com
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 - Radio
Wireless Dongle Receiver Unifying Usb Adapter For Logitech Mouse Keyboard Connect 6 Device For Mx M905 M950 M505 M510 M525 Etc - Mice & Keyboards Accessories - AliExpress
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Logitech Unifying receiver - Wikipedia
Logitech K270 Wireless Keyboard, USB Unifying Receiver, Black | OfficeSupply.com
AliExpress
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