SOLVED: I lost the USB for my wireless keyboard. Can this be replaced? - Keyboard - iFixit
Replacing Your Wireless Mouse / Keyboard Receiver - ComeauSoftware.com
Logitech Unifying Receiver for Connecting Multiple Devices
Replacing Your Wireless Mouse / Keyboard Receiver - ComeauSoftware.com
Amazon.com: Logitech New Unifying USB Receiver for Mouse Keyboard M515 M570 M600 N305 MK330 MK520 MK710 MK605 : Electronics
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
No more lost Logitech keyboard receivers!!! - YouTube
Logitech Unifying Receiver for Connecting Multiple Devices
Logitech Unifying Receiver USB Dongle for Logitech M185 Wireless Mouse and Keyboard : Electronics
Logitech Unifying Receiver for Connecting Multiple Devices