USB receiver for Logitech mk270 mk260 mk220 mk345 mk240 MK235 Keyboard mouse | eBay
User manual Logitech Wireless Combo MK260 (English - 9 pages)
Logitech Wireless Combo MK260 920-002950 Black 8 Hot Keys USB RF Wireless Standard Keyboard and Mouse - Newegg.com
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 Unifying Receiver for Connecting Multiple Devices
Amazon.com: Logitech Wireless Combo MK260 with Keyboard and Mouse : Electronics
Re-Program your keyboard & mouse receiver with Logitech Connection Utility - YouTube
Logitech Mk260 Usb Receiver - Computer & Office - AliExpress