Logitech EX 110 Cordless Desktop Wireless Keyboard, Receiver & Mouse Set USB/PS2 | eBay
List of Logitech products - Wikipedia
Logitech Unifying Receiver for Connecting Multiple Devices
Logitech Unifying Receiver 1 to 6 Devices USB Dongle for Wireless Keyboard Mouse (White Envelope) - Walmart.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
Computer Accessory Set Logitech Cordless Desktop EX110 Keyboard Mouse Receiver u | eBay
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