MULTI FUNCTION AMPLIFIED STEREO SPEAKERS WITH VIRTUAL 5.1 SURROUND SOUND AND USB PORTS FOR MP3 Players 5.1 virtual surround sound system, ideal for ipods, MP3 player, gaming, DVD watching Two speakers, 7 Watts each Two USB ports available to play any MP3 music ona memory card Compact and Portable 90 days money back guarantee and 1 year limited warranty