computer multimedia speakers Couple package Aluminium alloy Plastic plating, computer speaker Power Source:(1) DC 5V /1000mA adopter(W/O)(2) USB 5V Cable(with) from computer.Function:With built-in sound card, can decode music only with one USB cable, specially for computer, Notebook, G3 Netbook, play music Tech. Info.:(1) Output:Rms 4W(2W*2) simulative amplifier(2) Right/Left sound respong ...