... .....Plastic laptop loud computer speakers main function:Multimedia portable speaker with mini stereo system for iPod,MP3,MP4,MP5,PC,Laptop ... Mobile phone,etc...all kinds of digital player devices. Features: 1) 2.0 speaker for laptop, computer,mp3,mp4,mp5 palyer,CD ... 4) USB provides power, mini stereo system Specifications:1) Output Power: 3W*2(1KHZ,THD10%)2) Rated Impedance:4Ω3) Circuit Current:≤800mA4 ...