Worst mayerial, worst design, worst quality! Don't waste you money on it!

Totally garbage. It broke into 2 parts the second time I used it when I tried to adjust the phone's direction. I checked it carefully, the contact surfaces are smooth, which means it's not really "broken" because the two parts were not a whole thing in the first place. Then how were they connected? I touched the inside of the hole where the connecting point is, it turns out they uses a piece of adhesive paper which is not very adhesive! There's no design allowing you to adjust direction at all. To make it worse, now I am not able to remove it from the vent! I'd give it negative star if I could!

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