http://www.omins.info/jonvy/p/4788/

Function: Aesthtic design match mobile phone perfectly,easy to use Polymer battery with intellectual management PCB,double use time IC protection Short circuit protection,over charging and discharging protection

Now you can talk longer, listen to more music, play more games, watch more videos without worrying about running out of battery life with 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.

Universal Power – Charge it all! With lithium-polymer battery, the Ultra-Slim Power Pack supports a wide range of devices such as iPhone, iPod, eReaders, Smartphones, wireless Bluetooth headsets and more.

Slim Portability – Easy to carry! Small and lightweight, the perfect size for travel, the Ultra-Slim Power Pack fits easily in a pocket or bag.

USB Charging Cable Included. Included USB cable charges micro-USB devices and can also be used to recharge the Power Pack when not in use. To charge your iPhone/iPod with the Power Pack, simply use the data cable you received with your device.

Measurable Power – Know the status! LED status indicator lets you know how much charge time remains on your Power Pack. A convenient on/off switch lets you turn off the device when not in use to save battery life.

Choose a color that suits your style! Choose a portable power solution that reflects your personality and style. Ultra-Slim Power Packs are available in a variety of vibrant, stylish colors.