... memory 3.support micro sd card 4.function:music,video,ebook,FM,etc. mp4 player with TF slot1.1.8"screen mp42.built in ... - memory:1. Built-in memory,also support micro sd card 2.no built in memory,need insert micro sd card. - Support MP3, WMA,WMV ... time:3-5daysDelivery term:DHL,UPS,TNT,EMS,FEDEXMOQ:100pcsWarranty:1 year 1.8 Inch Screen MP4 Player 2GB With TF Card Slot