Tzumi Pocket Juice External Battery Pack (Black) 2200 mAh Output Portable Power Bank USB Charger Compatible with iPhones, Samsung Galaxys, Androids, Tablets and other Mobile Devices Pocket Juice External Battery Backup2200 mAh rechargeable battery allows is a USB charger that can provide up to 10 Hours more of Talk Time per charge USB Output , Smartphone Ready, Ready to Use Power bank includes Micro USB cable, USB port 4 LED status indiciator lights to show you how much power remains in the battery Compatible with iPhones, Samsung Galaxys, Androids, tablets and other mobile devices