... Home Speaker, Subwoofer, MP3 Speaker, Multimedia Speaker, Speaker Box, Loudspeaker, Sound Box, usb speaker,PA speaker, portable speaker,Speaker System, ... Impedance:4Ω S/N: 85dB Separation:≥62dB, Dimensions:Swoofer: mm satellite: mmFunction: karaoker, USB/SD card reader, FM, remote control ... .167(per CTN)Days for Delivery:about 30daysPacking: Gift Box We got the FCC, CE, ROHS and other international ...