With retractable gravity linkage design, you just need to put in or take out your phone with one hand, which will expand or retract automatically. the height of the car mount is only 38 mm when it retracts, which is about 1/3 of most common car phone holders. it is super convenient and ensures safety while driving.
the anti-slip clip with rubber pad lock the air vent firmly. not affected during deceleration, when in bumpy areas or when an emergency brake is applied. suitable for all kinds of smartphones from 5.5 to 6.5 inches.
no metal plates needed, no interference to signal. reserved charging port allows charging of phone while using gps.