xPower-Expand space app for iPhone and iPad

Smart OTG & Battery Case

*Supported Doc formats:
Pages,Numbers,Keynote,pdf,doc,docs,xls,xlsx,ppt,pptx,
rtf,html,psd,xml,json,plist

*Supported Txt Editor formats:
txt,h,m,c,java

*Supported Image formats:
jpg,png,bmp,gif,tif,tiff,ico,xbm,cur

*Supported Audio formats:
mp4,mov,mkv,avi,fly,rm,rmvb,wmv,vob,3gp,m4v,m1v,mp2,
ts,tp,asf,asx,yuv,webm,qt

Features list:
*Super seed USB3.0 standard
*External memory expansion and file sharing
*Transferring files within multi-platforms
PC/Mac/Tables/Phones
*Manage all your data directly on the device(Creat,Copy,
Move,Delete,Rename,Lock,Unlock,Edit)
*Support up to 128GB external memory card
*Playback video/Music,View picture directly from external
memory card.
*Video record,Picture take,Voice record cab be directly
stored in external memory card.
*Backup and restore your Contact/Photo in external memory
whith on touch.
*Document viewer for all major file formats.
*Vocie records/Text editor.
*Multi-languages supported.