mini speaker support SD Card,U-flash, 3.5mm audio output built-in ... the support of the following device:A,memory card,such as SD/MMC card,U-Disk,etcB,mobile device,such as ... number:SG-589 mini portable multimedia speakerinterface:USB,SD card,3.5mm stereo jacksupport resource:U-disk,MMC/DC ... 15 days after your order placed .payment: we can accept T/T,Paypal,Western union,etc. packge information:size of ...