New New Usb Receiver Wireless Dongle Receiver USB Adapter for Logitech mk270/mk260/mk220/mk345/mk240/m275/m210/m212/m150 Mouse - AliExpress Computer & Office
Logitech Wireless Desktop MK250 Drivers Download for Windows 7, 8.1, 10
Specs Logitech MK250 keyboard RF Wireless QWERTY Black Keyboards (920-002470)