Replacing Your Wireless Mouse / Keyboard Receiver - ComeauSoftware.com
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
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Logitech Unifying USB Receiver for Wireless Mouse and Keyboard, 6-Device (910-005235) | Quill.com
What can someone do if they've lost the wireless USB connector to their Logitech keyboard and mouse? - Quora
Logitech K400 Plus Touchpad Keyboard for TV connected PC
Logitech USB Unifying Receiver Dongle for Mouse & Keyboard 910-005235 (2 Pack) - Walmart.com