Logitech K375s 104 Keys Keyboard Portable Bluetooth 2.4ghz Usb Wireless Dual Mode Keyboard For Laptop Notebook Pc With Universal - Keyboards - AliExpress
Amazon.com: SummitLink Unifying Receiver for Mouse and Keyboard Compatible for Any Logitech Product That Display The Unifying Logo (Orange Star, Connects up to 6 Devices) B083J7DYDT : Electronics
How to pair a mouse with a non-unifying receiver that's not Logitech - Quora