MKYUHP Fast Wireless Car Phone Mount Charger, Air Vent Automatic Clamping Phone Holder, Qi Car Charger for Samsung Galaxy Note 9/ S9/ S8 and iPhone Xs/XR/X/ 8 PlusAUTOMATIC CLAMPING & POWER OFF PROTECTIONThe rubber pad clamps automatically so that phone is firmly held after putting on. The charger is equipped with the power off protection in case of the clamp rubber pad can't release when car runs out of electric. SINGLE HANDED OPERATION & TOUCH SENSITIVEEasy and fast single handed operation is designed for driving. The arms clamp automatically once phone is detected. And the arms release when metal at the