Portable plastic mini speaker ，linked with MP3、MP4、IPOD and so on. 1、DC input：6V，3.5mm audio cordx2 2、output：3.5mm plug，from USB drives. 3、power：USB cord，AA battery x4 4、power consumption：3wx2 5、resistance：4Ω 6、Frequency response：100Hz~20KHz 7.with remote controller/or with decode function.(optional) Packing: ABSmaterial、with audio cord,color:white 1、product size：20.5*14*3.5cm 2、packing size：25*29.4*6cm 3、product net weight：416g 4、product gross weight：720g 5、carton size：51.7*45*31.4cm 6、ctn/pcs：14PCS 7、adaptor (optional) 8. 20ft container:404ctns/5656pcs. 9. 40ft container:808ctns/11312pcs. 10 40ft HQ container:945ctns/13230pcs.