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
Amazon.com: New Logitech Unifying USB Receiver for keyboard K230 K250 K270 K320 K340 K350 K750 K800 : Electronics
Logitech USB Unifying Receiver Dongle for Mouse & Keyboard 910-005235 (5 Pack) | eBay
LOGITECH USB UNIFYING RECEIVER. | eBay
Logitech Unifying Receiver for Connecting Multiple Devices
Logitech Compact Wireless Mouse, 2.4 GHz with USB Unifying Receiver, 1000 DPI Optical Tracking, 18-Month Life Battery, PC / Mac / Laptop / Chromebook, Blue - Yahoo Shopping
Logitech Unifying Receiver for Connecting Multiple Devices
Logitech USB Dongle Extender - Works with Unifying Receiver
USB Unifying Receiver - USB Dongle - For Logitech Mouse + Keyboard unify | eBay
Logitech Usb Unifying Receiver (910-005236) Black | Techinn
Logitech 910-005235 USB Unifying Receiver *New Unused* | eBay
Logitech Unifying Vs Non-Unifying Receiver (software in description) - YouTube
Logitech USB Unifying Wireless Black | Techinn
Logitech M510 Wireless Computer Mouse – Comfortable Shape with USB Unifying Receiver, | Oriental Trading
Logitech - USB Unifying Receiver - USB Dongle - for Mouse & Keyboard | eBay