MEIDI METAL MAGNETIC AIR VENT PHONE HOLDER is made of high quality aluminum alloy and designed to be compact and luxurious texture looking. Its ultra-strong safe magnets and metal air vent mount can hold any smartphones securely even on bumpy roads. Simple one hand operation makes it the most handy phone holder in the market. The fully 360-degree rotation provides you with the best viewing angle. Please note that it fits most parallel air vent and fits the air vent perfectly, but may not fit some round or vertical vents.