MT-MK4 ,Sound Box with USB SD FM Radio Remote Control. Output power: 3W+3W .MOQ:3000pcs MT-MK4 ,Sound Box with USB SD FM Radio Remote Control. Support SD/MMC Card,Mobile,USB Drive,Audio input,support:MP3/MP4/PC,etc,With remote control,built-in rechargeable battery,With FM radio function MOQ:3000PCS SIZE:16*7.2*7.1CM QTY:50PCS N.W:31.8 G.W:33 MEAS:48.9*34.9*54.9CM