... /Xd,USB Host, Mini USB Slave,Earphone JackButton: 7 buttons( power,up,down,right,left,enter,menu)Memory Card Slot: SD/MMC ... Host, Mini USB Slave,Earphone JackInternal Memory: N/A(optional:up to 2GB)File Format Compatible:JPEG/MP3/MPEG4/AVI/MOTION ...