... warranty 2.0 mini portable speaker for your notebook ,computer ,mp3,mp4,computer,laptop ,OME color Specification 1.RMS:2.5Watts*22. ... 3.Support for multimedia players.4.USB power,perfect for laptop. Selling point1.Crystal-clear sound effects and surprisingly deep ... driver and amplifer circuit needed, easy to operate6.Support for laptop, desktop, MP3, MP4, tape recorders, learning machines, radios and ...