Exclusive Hinge Protection Design : The spring-loaded case truly realizes the fully automatic folding and unfolding of the hinge. It works automatically through the torsion force of the spring and the complex structure of the shell. Screen Protector : Equipped with high-strength tempered glass,highly translucent,anti-scratches,ultrasonic fingerprint unlock. Stand Feature : Built-in foldable stand on the back,hands-free,ideal choice for browsing the website,chatting, working,watching videos or TV shows,avoids the muscle strain caused by holding the mobile phone for long time.