Universal Smartphone Car Air Vent Mount Holder

Advantage
1.High quality and low price, high cost performance;

2.The release button automatically opens the cradle's arms and the allows you to snugly hold your phone it and will not move. 

3.It holds onto the vent reasonably well , it's easy to install and remove of smart phones, and it hold the phone securely from three directions.

Defect

Tightening the nut on the rear is a pain, especially if you have big fat fingers.