Now you can talk longer, listen to more music, play more games, watch more videos without worrying about running out of battery life with Verbatim's Power Pack Chargers! Use the Power Packs to charge a wide range of devices such as iPhones, iPods, eReaders and micro-USB charged phones or wireless Bluetooth headsets. No matter the device, Verbatim has a solution for you! Power Pack - Keep on talking! Now you can talk longer, listen to more music, play more games, watch more videos without worrying about running out of battery life - if you run low on power just plug in the Portable Power Pack and keep going. A full charge can add up to 175% iPhone* charge, or similar for other Smartphones with an average 3500mAh battery, providing a great solution for those times you need additional battery life for your phone, eReader or other devices. Universal Power - Charge it all! With a 3500mAh lithium-ion battery, the Portable Power Pack supports charging a wide range of devices such as iPhone, iPod, eReaders, Smartphones, wireless Bluetooth headsets and more. Slim Portability - Easy to carry! Fits easily in a pocket or bag, the perfect size for taking with you when traveling. Rubberized, lightweight and well designed form factor makes it convenient to carry in case of the need for emergency power. USB Charging Cable Included: USB cable to charge the power pack and also charge a micro-USB based device is included. For iPhone/iPod just use the data cable you received with your phone to also charge with the Portable Power Pack. Measurable Power - Know the status! 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. *Based on iPhone 4s & iPhone5. Use time will vary with device being charged.