【 Twist-Lock Air Vent Clip】The upgraded vent clip uses a twist-lock mechanism to enhance its stability, the heat-resistant PC and glass fiber materials make it strong enough to withstand long-term use. This means it can hold your phone securely without vibrating and falling even on bumpy roads. 【 Telescopic Support Feet】The car phone mount has 2 adjustable feet at the bottom, you can move them up and down to find the perfect position for small or large phones. Also, the side buttons of your phone will not be blocked. 【Better Compatibility】By pressing the one-button release button, the clamp arm of the air vent phone holder can be extended to 3.7 inches to hold mobile phones under 6.9 inches, such as: iPhone 13/13 mini/13 pro/13 pro max /12/12 mini/12 pro/12 pro max/SE/11/11 Pro/11 Pro Max/ XS/ XR/XS Max/X/ 8/8 Plus/7/7 Plus/SE, Samsung Galaxy S21/S21+ /S21 Ultra/S20/S20+/S20 Ultra/S10+/S10/S10e/S9+/S9/S8+/S8/S7 Edge/Note 20/Note 10/Note 9/ Note 8 【Flexible Ball Joint】The flexible ball joint design can make the car phone holder rotate 360 degrees, so as to easily adjust the angle of the phone, get the best viewing angle, and ensure safe driving 【Reserved Charging Port】We know that smartphones need to be charged frequently. In order not to affect the use, we have reserved enough space at the support feet, which is enough for data cable charging