... 1 year warranty 2.0 mini portable speaker for your notebook ,computer ,mp3,mp4,computer,laptop ,OME color Specification 1.RMS:2.5Watts ... speaker,good qualiy,fashion,portable. 2.Universal 3.5mm audio interface. 3.Support for multimedia players.4.USB power,perfect for laptop ... driver and amplifer circuit needed, easy to operate6.Support for laptop, desktop, MP3, MP4, tape recorders, learning machines, ...