1Super Stable and Shake Free: The car cup holder phone mount features an upgraded and durable long neck design, providing high stability even on bumpy roads. Its deeper clamping arms and soft fixed feet offer 360 degree protection for your phone, securely holds your phone in place, preventing any movement during acceleration or sharp turns. 2Friendly for Large Phones and Thick Phone Cases: The extra wide adjustable clamping arms make the car cup phone mount compatible with all phones (4.07.0 inches) and thick phone cases, including for IOS 14, 14 Plus, 14 Pro, 14 Pro Max, 14 Mini, 13, 13 Pro, 13 Pro Max, 13 Mini, 12, 12 Pro, 12 Pro Max, 12 Mini, SE, 11 Pro Max, 11 Pro, 11, XS MAX, XS, XR, X, 8, 8 Plus, 7, 7 Plus, for Galaxy Note 20, S21, S21+, S20+, S20 Ultra, S10+, for Google Pixel, and most smartphones and GPS devices. 3Better Protection for Your Beloved Car: No suction cups or vent clips. No need to stick anything on your dashboard or windshield. Simply place the phone mount in your car cup holder and secure it to use, without leaving any permanent residues on your car. Plus, there's no worry about breaking ventilation blades or damaging your dashboard, allowing you to use it safely with your beloved car. 4Wider Expandable Base: The adjustable base can extend from 2.4 inches to 4.0 inches to fit all car cup holders. With the soft anti slip silicone pad, the cup style phone mount stays securely locked in your cup holder, never falling off or breaking. Protect your devices from damage. 5Easy Installation, Safe and Fun Ride: Unlike other dual phone mounts that block windshields and are difficult to secure, our phone mount can be installed in seconds with just your hands. Car rides will be safer and more enjoyable for you and all passengers.