Not easy to find compatible media with blackberry on a vent. No manual must make do with 2 separate boxes: one box for the ventilation grid holder and a box for phone support. The device looks solid until it starts rolling, the slightest vibrations are picking up the phone support ventilation grille holder, having recessed and handed over again I gave up.
The phone holder has 3 notches on the back that should allow good stability but the vent mount has only one notch nesting. The set becomes very fragile and falls systematically.
