Amazon.com: Zotech Replacement USB Receiver for Logitech MX 5500 Revolution M/N Y-RBF91 (Keyboard), M-RCL124 (Mouse) : Electronics
List of Logitech products - Wikipedia
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Logitech MX5500 wireless keyboard and mouse combo usb receiver - AliExpress Computer & Office
Amazon.com: Logitech Cordless Desktop MX 5500 Revolution Bluetooth Mouse and Keyboard : Electronics
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Logitech announces MX 5500 Revolution Bluetooth keyboard and mouse combo
Logitech C-UV35 USB Bluetooth Receiver for Mouse Keyboard MX5000 MX5500 | eBay