4400mAh Li-polymer battery Hand warmer Use as portable charger to mobile phone, usb device. LED capacity ... , MP3/4/5, PSP, USB device, etc. Using Occasion: Emergencies, on traveling, business trip, outages, Camping & Hiking etc. Product details photo ... & QC system, all goods from us will be 100% QC on line.Best price: Our factory control all processing of the goods ...