... Circle:more than 500 times 4000mAh Power Bank for iphone,mobile phone,smartphone,ipod Battery Type Li-ionCapacity4000mAhInputDC5.0-6.0V ... ,Micro USB,Samsung,Apple Fit for:All kinds of Mobile phone ,iphone,smartphones,Mp3,Mp4,PDAGPS Navigator,PSP and other ... different chargeable platforms.4,Multi safety protection:over current,over charge,over voltage,short circuit protection.How to charge for device: ...