Benefiting from high technology, we introduce you this LED flasher luminous crystal case for iPhone 4S. It’s the world’s first iPhone light-emitting shell case using LED. LED is placed on the included charging adapter (30 Pin Male dock connector to 2.5mm socket), and thus fabulously flash out the whole case once the installation is done. Firstly you plug the dock connector into your iPhone 4S / 4. Secondly, snap the case onto your iPhone. This is the complete installation. Quite easy, right? You can also use the included 2.5mm charging cable to connect to the flasher (charging adapter) and charge your iPhone. Now use this case to sparkle and personalize your phone and make it stand out!