Product DescriptionImagine hearing game sounds so realistic that you feel like you are actually in the game. Whether you're playing first person shooters, strategy games, or others, with USB External Sound Box you'll hear all the action in surround sound. Connect Left/Right/Center audio inputs from your subwoofer and connect USB Sound Box to USB port of your laptop or PC and start enjoy with surround sound without going through trouble of upgrading or replacing your internal sound card. This sound box is especially ideal for laptops or PC that has integrated sound card to motherboard, because upgrding sound card on those systems means upgrading the whole motherboard which is very costly.