Supports most of smartphone with width between 4.0 – 5.9 inch like iphone X, XS,XR. Reserved port that enables recharge your phone and unlock your phone when the car mount installed. Unique gravity linkage design enables you simply lock your phone in place. Aluminium alloy holder arm and high elasticity spring make sure the holder is Sturdy and durableand. Contacts with mobile phones use the soft TPU rubber to make sure the phone doesn’t scratch. The cell phone car holder works with any smartphone (between 4.0-6 inch) like iPhone X / 8 / 8 Plus / 7 / 7 Plus, Samsung Galaxy Note 8/ S8 / S7 / S6, Nexus, Huawei and other cell phones. Note: Like air vent of Buick Envision, Corolla, LEXUS-ES and Citroen Does Not compatibility.