Logitech latest Version Genuine Tiny Unifying General Receiver Dongle Connect up to Six Devices for Logitech mouse mice keyboard|unifying receiver dongle|logitech donglemouse dongle - AliExpress
Logitech MK235 Wireless Keyboard & Mouse, Black (920-007897)
Amazon.com: Logitech MK235 Wireless Keyboard and Mouse Combo for Windows, 2.4 GHz Wireless Unifying USB Receiver, 15 FN Keys, Long Battery Life, Compatible with PC, Laptop : Electronics