Logitech K400 Plus Touchpad Keyboard for TV connected PC
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 Unifying Receiver for Connecting Multiple Devices
Amazon.com: Logitech Unifying Receiver USB Dongle for Logitech M185 Wireless Mouse and Keyboard : Electronics
Logitech K400 Plus did not come with a USB dongle? Wait!! It's hidden in the box!! | THINKBOX
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
Genuine Logitech USB Dongle Extender for Unifying Receiver | eBay
Logitech K400 Plus Touchpad Keyboard for TV connected PC
Logitech K400 (920-003070) Wireless Touch Keyboard WITH Unifying USB Receiver 97855074928 | eBay
Logitech K400 Plus Touchpad Keyboard for TV connected PC