support SD card,T-flash 3.5mm audio,1.5"speaker built- ... Part number:SG-589 mini portable multimedia speakerinterface:USB,SD card,3.5mm stereo jacksupport resource:U-disk,MMC ... :30pcs terms of payment: 30% in advance by T/T,the balance should be paid before the shipment.delivery ... days after your order placed .payment: we can accept T/T,Paypal,Western union,etc. packge information:size of product: ...