1.this portable power designed for almost all kinds of mobile phone 2.FCC CE ROHS 3.guaranted for a year 4.4000mA The unique features of this external battery pack: 1.Can charge for all 5 voltage digital products like mobile phones, MP3,.MP4 and PSP ,such as:Five popular brands mobile phones(Nokia,Samsung,SonyEricsson,Siemens,Motorola)Apple iPod nana,iPod Classic,iPod Touch,Apple iPhone/iPhone 3G ...