Customer Service: If you are unsure about our products, please contact us via the buyer's message. We will offer you the solution within 24 hours. Adjustable: Personality automatic telescopic spring design, Adjustable for various phone sizes. Installation method: It can be installed in the car vent to ensure that the phone is firmly fixed on the frame, which is convenient for the driver to use. Rotatable: Multifunctional rotating design allows you to switch between horizontal or vertical screens as you need. Material: Made of artificial rhinestone, which is fashionable and generous.