Composition: ABS and silicone Use scene: front windshield/car center console port The clamp arm's triangular shape provides steady support and securely locks the phone. One-handed pick and place, mechanical clip design, simple operation, and a single button to open the clip arm. The vacuum suction cup base is dependable and sturdy, and it can be mounted on the center console and windshield. You can easily adjust the mobile phone clip and support rod to your preferred viewing angle by adjusting them to a variety of angles. Fits smartphones with 4.7–7.2 inches.