? THE EASIEST OPERATION & JUST SLIDE IN AND GO: Just slide in your phone, car phone holder mount clamps the phone automatically by gravity and provide the easiest operation and a strong stable hold without button to press. Easy to drop phone in and pick phone up with two fingers. ? UPGRADED AIR VENT HOOK: This car vent phone holder mount is designed as "Hook shape" and form "Three grasp points" which can firmly hook around the a/c vent for no slippage or movement. It solving the market's common problem of falling forward and off the air vent constantly when going over bumps or turns. NOTE: THE LENGTH OF CLAMP BETWEEN 0.41-0.98IN. THIS PHONE HOLDER ONLY COMPATIBLE WITH HORITABLE AIR VENT. ? AUTO LOCK, NO MORE FALL :This gravity slide-in car phone holder creatively features the Auto-lock arm-slots that stretch on the side can auto adjust to hold phone more firmly without fears of bumps, Special curve of arms fit phone better. The phone was all-round protected by silicone rubber on the inside clamps. NOTE:MAXIMUM THICKNESS OF DEVICE IS 14MM (0.5IN). ? UNIVERSAL COMPATIBILITY: This universal car cell phone holder will firmly hold all the smart phones (4-7in) even with thicker case (≤14mm) compatible with iPhone 13 12 pro max/ 11 pro max/XR/X/8/7/6/5, Note 20 10/ Galaxy S10+/ S9/ S8 /S7 /S6 and more. NOTE:WE RECOMMEND USING THE SMALLER PHONE(＜4.7inch) WITH PHONE CASE ? NO BLOCK VENT & SAFER DRIVING: This car vent phone mount with folding back structure is very neat and keep it small when not in use, only 1/2 card size and 3 inches away from the vent to still allow air flow. You can have a wider sight and adjust this gravity car phone holder up/down or left/right. NOTE: THE HORIZONTAL MODE IS NOT SUPPORTED.