Product quality (ie Logitech), design (still Logitech), ergonomic / * comfortable, economical ... No installation problems, this set works perfectly well in Plug'n'Play (plug, enjoy) . * Flexible keyboard and optical mouse suitable for all standard body types, very simple and pleasant to use.
Fast delivery and careful by Amazon.
If you have a question about this product, feel free to leave comments to this comment; I would try to answer them without much delay.