Support not very well suited for galaxy s3. 2 secarte legs and closes to enclose the universal phone so suport for all types of smartfone. Beyond the 80km / h the medium vibrates enormously and makes the gps little pleasant ... this is the worst support I bought in my life compared to all other media previously buy iphone on this site ... do not buy if bothered by the vibration ... inability to write one etan message given that the legs come to the caller side of the screen (p button, m, a, q hidden by the support ...