Premium Magnetic Car Mount AC Air Vent Holder Dock for AT&T LG Optimus G Pro - AT&T LG V10 - AT&T Microsoft Lumia 640 XL - AT&T Microsoft Lumia 950 FONUS(TM) Car Mount. Strong Magnets: Built-in 6pcs of small super strong magnets, it can easily and safely guard your device, never worry falling down. Compact & Never Block Viewing: With pocket size feature, it consumes tiny space to mount on the air vent without blocking view. Magnetic car phone mount compatible with most smartphones as well as their cases and GPS devices. Constructed of durable, sturdy plastic and rubber; holds device securely in place, even on rough terrain. Comes with two magnetic plates. You can either use it between case and phone or stick on your phone directly. - A thick phone case may interfere with the magnetic adherence of this product.