Amazon.com: New Logitech Unifying USB Receiver for keyboard K230 K250 K270 K320 K340 K350 K750 K800 : Electronics
Logitech Unifying receiver - Wikipedia
Logitech New Logitech Unifying USB Receiver for Keyboard K230 K250 K270 K320 K340 K350 K750 K800 Keyboards - Walmart.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
Keyboard Mouse Receiver for Logitech Receivers Wireless Keyboard Mouses And V8F2 - Walmart.com
2 pack) Logitech Slim Wireless Keyboard and Mouse Combo - Low Profile Compact Layout, Ultra Quiet Operation, 2.4 GHz USB Receiver with Plug and Play Connectivity, Long Battery Life, Graphite - Walmart.com
Logitech MK540 Advanced Wireless Keyboard and Mouse - Black | Dell USA
Logitech K270 Wireless Keyboard, USB Unifying Receiver, Black (920003051) | OfficeCrave.com