2.0 USB Penguin Speaker 1)Output power:2x2.5W 2)SNR>80dB 3)build-in USBcable/audio line 4)Drive units:2''x2 2.0 USB Penguin 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 Penguin SpeakerMaterialABS & electronic componentsDimension 9×8.5×8.5 cm PackingColor box packing:1 set/color box ...