... 3.Size:112*73*17mm Multifunctional Mobile Power Bank -6 Product Specifications:Product name:Mobile Power BankCell type : Li-polymer ... /discharged, temperature, and short circuit protectionMulti function:external power bank for Iphone, Ipod, Mobile phones, PDA, MP3 ... needed, portable size to carrying***********************Product Features:1, External power bank for Iphone, Ipod, Mobile phones, PDA, MP3 ...