Omaker Magic Air Vent One Step Mounting Magnetic Car Mount Holder for iphone 7/6/6s plus &hellip; BEST ADJUSTABLE:There is a switch on the clamp that gives two levels of pressure to stay on your vent- thick (I level) and thin (II level) vent shutters, it fits for almost all types of air vent. HANDS FREE: Simple installation, no tools required.Just hover your device near the cell phone holder's magnetic surface and it instantly locks securely in place. 360 ROTATION: The 360 degree rotatable holder lets you find the perfect angle to view your smartphone at a quick glance. SUPER STEADY: Features strong suction cup that will hold your device steady so you can keep your focus on the road and your hands on the steering wheel. BROAD COMPATIBILITY: Universal mounting solution securely holds most smartphones, as well as their cases, and GPS devices.