Logitech Unifying Receiver USB Dongle for Logitech M185
New Usb Receiver Wireless Dongle Receiver USB Adapter for Logitech mk270/mk260/mk220/mk345/mk240/m275/m210/m212/m150 Mouse|Mouse Pads| - AliExpress
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 : Amazon.co.uk: Computers & Accessories
Logitech K270 Wireless Keyboard with Unifying Receiver
I have lost the USB receiver of my wireless mouse. Is there a way for me to ever use it again? - Quora
Logitech 831511-0000 C-BT44 USB PS/2 Wireless Keyboard And Mouse Receiver
Buy For Logitech Unifying Receiver 1 To 6 Devices USB Wireless Keyboard Mouse Dongle at affordable prices — free shipping, real reviews with photos — Joom
Wireless keyboard/mouse not working properly? – CalDigit