DetailsUpgraded Design - Universal car cup base adjustable from 2.3" to 4.2" and extendable to 9" length, fitting most car cup holders without extra tools.Universal Compatibility - Fits all cell phones and devices between 2.1-4.0 inches width, including iPhone, Galaxy, LG, Google, Sony, Huawei, and more.Stable and Secure - Features an adjustable heavy base and strong neck to prevent shaking, with a flexible swivel ball for 360-degree rotation and a jointed arm for 270-degree movement.Adjustable Neck - Extends from 5.5" to 9" in length, with an easy tightening and loosening mechanism for flexible adjustment.Package Contents - Includes 1 adjustable car cup holder base and 1 universal phone clamp.Safe Driving - Ensures safe driving by not blocking the driving sight and allowing easy access to phone functions like talking, navigating, and charging.Easy Installation - Installs directly into car cup holders without damaging the dashboard or windshield, suitable for vehicle cup holders betwee