The Car Vent Holder features a ball joint, allowing you to adjust the angle to meet your requirements when driving. Please note that this holder is unable to be used at a horizontal angle. A reserved charging port enables you to power your phone. The non-slip rubber surface on each arm protects your phone from scratches. The Air Vent Mobile Phone Mount is compatible with most phones or GPS from 4.7-inch to 7-inch like the New iPhone 13 Pro/13 Pro Max/13/13 mini, Samsung Galaxy S10/S9/S8/S7 Edge Plus/S6/S6 Edge/S5, Huawei P20/P10/Huawei P9/Huawei P8, Huawei Mate 10/Mate 9/Mate 8, etc. The thickness is around 10mm, so you do not need to remove your phone case constantly. The Auto-Clamp Mobile Phone Vent Clip Holder automatically locks the phone via gravity. Once your phone slides into the Gravity Phone Holder, 5 clip arms will form double triangle structures to securely grip it. The Retractable Car Phone Mount Cradle features a 360-degree rotatable ball to let you adjust the phone freely and choose an optimal angle for navigation. The flexible ball also allows you to adjust the angle of the Auto-Clamp Mobile Phone Mount based on the position and shape of the car air vents. Innovative Design & Gravity Linkage Car Phone Holder When your phone is placed, the gravity system of this air vent mobile car holder will be activated by the weight of the phone. It is super convenient to install or remove your phone/from this gravity car mount. The gravity clamp can lock your phone automatically and grips it firmly. Tool-free and one-hand operation.