Logitech Unifying USB Receiver, Wireless 2.4 GHz Connection, Compatible with Logitech Unifying Mouse and Keyboards, Connects up to 6 Devices Simultaneously, PC/Mac - Black: Amazon.de: Computer & Accessories
Logitech MK520 Wireless Keyboard Mouse Combo with Unifying
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 - Black Online at Best Prices in