Safely carry your Smart Phone with this premium flip cover case with Smart Window Call View exclusively designed to perfectly fit your Asus Zenfone 4. The case provides a hard back cover which easily fits on to your phone. Easily clips on to the case and you are good to go. The front flap protects the screen from scratches and dirt. The case provides an easy to apply protection without adding a lot of bulk to your phone. The package includes a USB OTG Cable which provides you an almost unlimited storage space on your device. You can now connect your USB pen drive or external hard disk and access the movies or documents directly. You can even connect the USB keyboard For typing long emails! Features: Perfect Fit, provides easy access to all buttons, function without removing the case. The case provides a back cover which easily clips on to your phone. Front flap with smooth Finishing prevents the phone from getting scratched and protects it against dirt and bumps without adding a lot of bulk. Impact and scratch protection. Easy to apply, durable construction and high quality.