This smartphone holder can be used with a case on your phone. The flexible arm bends freely, allowing you to position your smartphone for easy viewing. It attaches securely with a strong gel suction cup. The ball joint allows for 360° angle adjustment. It can be used for both vertical and horizontal placement. It has a release button that opens the arm with a single push. Compatible size: Approximately 55-105mm wide / up to approximately 20mm thick The outer box has some discoloration and bending due to long-term storage, so it is listed as having some scratches and dirt. There are no issues with the product itself, so please consider purchasing if you don't mind the condition of the box.