By the magnet and the low weight of the station but you have to take the phone back out there problems that station comes every time with high. One must drückenm against the station so that the mobile phone can be taken out always by hand. I do not find that so bad, would have determined can be solved a little better.
The last star would get the charging station when the price would be lower or a cable and AC adapter with this would have been placed. Now I have the power supply always awkward refer (as laid invisibly) to my phone time to invite where else.