●Adjustable screws, use metal fixing screws to adjust the height according to the thickness of the phone; two movable screws are used to change the position to achieve separation ●Screw fixed button for firmer positioning ●A black stick with a scroll wheel is used to remove from the screen ●High-quality suction cups, for all mobile phones and tablets ●Suction cup imported from the States, with long life and large suction, Manufacturer: Kalttoy