Logitech K270 Wireless Keyboard with Unifying Receiver
Logitech Unifying Receiver for Connecting Multiple Devices
Amazon.com: Logitech Wireless Combo MK260 with Keyboard and Mouse : Electronics
Logitech K270 Wireless Keyboard with Unifying Receiver
USB receiver for Logitech mk270 mk260 mk220 mk345 mk240 MK235 Keyboard mouse | eBay
User manual Logitech Wireless Combo MK260 (English - 9 pages)
Logitech Unifying Receiver for Connecting Multiple Devices
Amazon.com: Logitech 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 K270 Wireless Combo Keyboard & M185 PC Mouse with USB Receiver Dongle 97855089816 | eBay