its not user friendly, this is very bad wireless key board I have seen, i have this too much.
reliability is nothing hate this type of keyboards, its very bad.
quality is wrost after purchase this key board, s caps lock key stoped working and I have going again to showroom of dell, hate this.
its not have extra features or functions, i recommanded you to buy hp key boards, the key boards I hve seen.
value for money high because its wrost key board hate it hate it.