Designed on a low center of gravity makes it stable. The extended hooks keep the phone in safety, and rubber cushions protect the phone from scratches and sliding. Suitable height, perfect angle of view when using Facetime and YouTube, makes it so easy to read message and emails. Compatible with iPhone and Android phones even when they have an added case. The doc averages 4.8 out of 5 stars from over 4,500 reviewers on Amazon (86% rate a full 5 stars: see reviews), where its typical list price of $39.99 has been reduced 75% to $9.99. See this deal on Amazon.