Packed by the concept and after several months of use, I finally gave up using my Tetrax for the following reasons (after using a kit Broadit, I finally turned to a Kenu): - The clip is not firmly enough ventilation grille (my phone waltzed numerous times in the space; even if I am partly responsible because of my little smoother ride) - The clip slightly abyss force ventilation grate to be replacement - In the long run, the presence of a wafer on the back / shell of the phone is inconvenient
