... circuit protection design Product DescriptionFeatures:Portable high capacity digital mobile power, Using the steel calls aluminum battery ... tablet pc, video games, digital camera, DVD, IPOD, IPHONE, IPAD, PDA, MP4,MP5, PMP, PSP with USB charging ... :-10-40 degreesPackage Includes:1 * power bank1 * interface4 * USB adapter1 *User manual High quality 4400mAh external portable battery charger power bank