Logitech MK520 Wireless Keyboard Mouse Combo with Unifying
Logitech Wireless Keyboard K350 920-001996 B&H Photo Video
Logitech Wireless Keyboard and Mouse Combo MK270 - 2.4GHz, Unifying Nano Receiver, Extended Battery Life
Buy Logitech USB Unifying Receiver Connects
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 MK270 Reliable Wireless Keyboard and Mouse Combo
Logitech Unifying Wireless Solar Keyboard K750 K800 K520 Dongle USB Receiver | eBay