Koral 5000mAh Slim built in MFi External Battery Power Bank - Black Rechargeable 5000Mah Lithium polymer battery Features Integrated mfi Lightning and Micro USB cables with 2.1 a output to provide power for your mobile lifestyle An Ultra slim design and highly durable rubberized feel, its easy to carry wherever you go LED indicators display charge capacity remaining in the power bank Includes a Koral 12-month limited warranty