Suitable for most of smart phones and GPS devicesYou can put the bigger pieces of iron between cellphones and protective shell,and adsorption on this bracket if you have a case for your phoneIt provides easy accessibility to mounted devicesThis holder can prevent devices from scratches and fallsNo need Extra tools,just a few seconds to finish itSimple clips onto any air vent-vertical,horizontal or at an angleDo not limit the view and it keep your cellphones in a perfect position for a handfree phone conversationStrong magnetic absorption,with ergonomic design