Connect multiple Logitech wireless devices using same USB receiver
Logitech Wireless Keyboard and Mouse Combo MK270 - 2.4GHz, Unifying Nano Receiver, Extended Battery Life
Logitech Wireless Keyboard K350 920-001996 B&H Photo Video
Fit Logitech Unifying Receiver Wireless 1 to 6 Devices USB Keyboard Mouse Dongle | eBay
Logitech MK550 Wireless Keyboard & Mouse | Lenovo US
Logitech MX Vertical Wireless Mouse, Graphite & K350 Wireless Wave Keyboard with Unifying Wireless Technology - Black : Electronics
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 MK470 Slim Wireless Keyboard & Mouse Combo - Nano Logitech Unifying receiver, 2.4GHz, up to 33ft, Numeric keypad, 3 Buttons, Optical, 1000DPI, Plug & Play, Off White - 920-009443 at TigerDirect.com
List of Logitech products - Wikipedia
Logitech Unifying Wireless Solar Keyboard K750 K800 K520 Dongle USB Receiver | eBay