Amazon.com: Unifying Receiver for Mouse and Keyboard Compatible for Any Logitech Product That Display The Unifying Logo (Orange Star, Connects up to 6 Devices) 001 : Electronics
Logitech Wireless Desktop MK320 - keyboard and mouse set - 920-002836 - Keyboard & Mouse Bundles - CDW.com
Amazon.com: Unifying Receiver for Mouse and Keyboard Compatible for Any Logitech Product That Display The Unifying Logo (Orange Star, Connects up to 6 Devices) 001 : Electronics
Logitech Unifying Receiver for Connecting Multiple Devices
Logitech MK 300 Wireless Keyboard and mouse demo Video - YouTube
Wireless USB Unifying Receiver For Logitech M600 M345 M310 M305 Mouse | eBay
Amazon.com: Logitech New Unifying USB Receiver for Mouse Keyboard M515 M570 M600 N305 MK330 MK520 MK710 MK605 : Electronics
Logitech Wireless Desktop MK300 Keyboard and Mouse - Walmart.com