Sensitive button, Integrated design, Screen protection, Game controller, Sensitive button, Copper Sheet Screen protection: Adopted silicon foam to contact the phone screen, which is screen friendly. Shooting while aiming: You can adjust the left and right settings for your preference to enjoy your game better. Stable & Secure: The keys hold the phone tightly and securely. Play with protection case: The keys can hold the phone with the protection case. Works with mobile shooters that allow users to customize their interfaces.