2.0 USB active Speaker 1)Bass &treble stero sound 2)Build-in USB power cable 3)Build-in audio line 4)good for laptop 2.0 USB Active Speaker Application :playing for all kinds of 3.5mm Jack player i.e notebook, mp3, mp4, Ipod, CD/MD,PC,and mobile phone etc. Description: Product Name2.0 USB active speakerMaterialABS & electronic componentsDimensionOverall sizes:2 ×7.5*7.5*8(D)cm PackingColor box ...