The design of the keyboard and mouse is well implemented. The keyboard and mouse are matt black - the keyboard has at the upper Kange still glossy black remote areas. The keyboard is very compact and takes up little space on the desk a. However, this is not at the expense of ergonomics. Write long texts goes without problems and fatigue, as the keystroke is very precise. The mouse has no weaknesses and is well on problematic substrates very accurate and very usable.
The installation is described in Windows 7 as in the small manual. Replace old keyboard and mouse by the MK250. Start PC - ready. The MK250 can be easily recognized and a further driver installation is required (My previous Microsoft Tastaur + mouse combo is no longer supported by Windows 7 !!!)
I would recommend the Logitech MK250 recommend.