Featuring an extra strength magnet holder and two metal plates, the mount can hold any sized smartphone securely. Included in package are two magnets: a sticky round magnet for non-removable battery doors and a thin metal plate for removable battery doors. Featuring quick –snap technology, simply hover the phone onto the holder and it will quickly snap on; your device can be positioned in any desired angle. The rubberized car vent holder will hold your smartphone firmly in place without leaving any unwanted residue, unlike suction cup type phone holders. Please note: magnet strength depends on thickness of phone case currently installed; for best results, please have a thin phone case installed.