Secure and Stable - Double Knob technology safely locks both the air vent clip and the magnetic plate position to maximize stability of the device. The large knob can easily give tight secure to the mount to prevent any sway or tremble while driving the vehicle. Unrestricted Air Flow - Designed to be placed at a safe distance from the air vent to avoid disturbance of ventilation of airflow or temperature change affecting the mobile phone. The inner clip is protected with TPU material that can prevent minor scratches on the vent. 360º Angle Movement - Headball under the magnetic plate gives 360º rotational function for unlimited viewing surfaces. Use the tightening knob to securely fix the angle for better and safe ride on the road. Powerful Magnetic Grip - Sturdy magnet allows a firm grip on the phone throughout your trip. Keep your smartphone or device in the preferred position without any risk of dropping or unwanted re-adjusting of your view while driving. 2 in 1 package - Complementary Dashboard type stand (with 3M adhesive) included. Easily convert between the Air Vent type and the Dashboard type, as you prefer.