Long Run Technologies USA Power Bank Speaker 4000 mAh Portable Charger Fast Charging Rechargeable External Battery Pack & Speaker for Cell Phones You get a powerful, 4000 mAH power bank, a crisp sounding speaker This power bank packs more than 2 full charges worth of power for the average smart phone Better yet, you can listen to your favorite tunes while you charge your phone up You can even use it as a stand for your phone while you watch videos or play games Featuring a slick 3 LED light display that shows just how much juice you have left