... carry 3.led indication 4.OEM if large quality Mobile power supplyFeatures:1)Double USB output interface,both for the iPad ... ,cycle life:more than 500 times4)Intelligent control,microcomputer intelligent power monitoring and display5)Speed shuttle,all the features of a ... realized6)Auto sleep,non-working state automatically sleep,to prevent power loss7)Suitable for iPad/iPhone,mobile phone,MP3,MP4,GPS ...