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Have you ever experienced that your phone’s battery was going to be worn out and you did not carry the charger? Now, the multifunctional phone case can help you. It functions as the phone case and USB. One end of it is linked to the phone and the other end of it can be linked to the computer. On one side, you can use it to charge your mobile phone. On the other side, you can use it to transmit data between a mobile phone and a computer. Besides, the multifunctional phone could protect your phone dropping on the ground and being broken. Then you will never wear out your phone’s battery with “Smart Phone Case”.