The iGO Charge Anywhere for iPod, iPhone, and iPad works as both a wall charger and portable battery. When plugged into the wall, Charge Anywhere charges your smartphone or tablet. To use on the go, hit the power button and Charge Anywhere's internal 3400mAh battery will charge your device without being plugged into the wall. LED light indicates internal battery level. Package includes iGO Universal Charge & Sync Cable, compatible with Micro USB and Apple 30 Pin devices.