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 K270 Wireless Keyboard | TechTide
Free Shipping Original New Mouse And Keyboard Receiver For Logitech Mk270/mk260/mk220/mk240/mk345 - Mouse - AliExpress
Logitech Unifying Receiver for Connecting Multiple Devices
Logitech Unifying Receiver for Connecting Multiple Devices
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