... Fashion shape Real factory Portable Mini USB2.0 PC Speaker System/mini stereo/laptop , subwoofer speaker ,vibration speakers systemSpecificationsIt is ... Audio Player, Mobile Phone.Description:The portable laptop USB mini speakers give your laptop great stereo sound with simple ... for Laptop, PC, MP4, MP3, PDA, Home Theater, subwoofer speaker ,Portable Audio Player, Mobile PhoneSNR: 65db, Isolated rate: ...