Talk longer, listen to more music, play more games, watch more videos without worrying about running out of battery life using this Dual USB Power Pack. If you run low on power, simply plug in the Dual USB Power Pack and keep going. With a 12,000mAh lithium ion battery, the charger supports charging a wide range of devices such as iPad, iPad Mini, Samsung Galaxy Tablet, Google Nexus 7, iPhone, iPod and micro-USB charged smartphones or wireless Bluetooth headsets. With two USB charging ports, you get the added convenience and flexibility of being able to charge multiple devices when needed. Use the push-on/auto-off button to switch on the device and the LED power status indicator to gauge how much charge is available. Included USB to Micro-USB Charging Cable can charge the Power Pack and also charge your micro-USB based device. For your iPad/iPhone/iPod/Tablet, use the charging cable that came with your device.