USB Unifying Receiver by Logitech® LOG910005235 | OnTimeSupplies.com
Logitech C-U0007 Unifying Receiver for Mouse and Keyboard Works with Any Logitech Product That Display The Unifying Logo (Orange Star, Connects up to 6 Devices) - Walmart.com
Genuine Tiny Unifying Usb Receiver Dongle For Logitech Mouse And Keyboard Can Connect Up To Six (6) Devices W/ Unifying Logo - Keyboards - AliExpress
Logitech Unifying Receiver for Connecting Multiple Devices
Logitech Unifying Receiver for Connecting Multiple Devices
Download Logitech Unifying Software for Mac | MacUpdate