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 Wireless USB Nano PC Receiver CU0010 Dongle C-11077 Adapter Non- Unifying 993-001106 - Walmart.com
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