... It naturalness as described - so no charging function gets that the Lumia 730 simply does not have. Who but 730 also deals before buying its Lumia only superficially with its functions, should know anyway. It goes without saying that you can not with a plastic cup of about 15, this feature simply - can be retrofitted. But when cover it fits really well for Lumia 730 like a glove. I had the Lumia 730 ordered with a white cover and thus bought later as replacement cover this in dark gray and - since there is also the original Nokia product - it sits almost even better than the originally delivered. So if a color (albeit in more subtle dark gray natural color variation ...) looking for a change, this is the place. Who actually believes it could thus be retrofitted for the Lumia 730 which simply nonexistent feature of wireless charging function, which is here of course, wrong.