Description: Effortless installation press button on back of unit to slide open and then take out mobile phone. Press the arms on both sides to clamp mobile phone again, simple of operation. Double security the clamp also comes with 2 support feet to stabilize your device--- three direction to clamp mobile phone, 360 degree rotation. Soft rubber layer to protect your device from scratches, The outward appearance fashion natural. This car mount is not correspond to special-shaped vents such as arc-shape Air vent, retraction type vent, non-intensive vent.