... speaker ,vibration speakers systemSpecificationsIt is well suitable for Laptop, PC, MP4, MP3, PDA, Home Theater, Portable Audio Player, Mobile ... , low distortion-rate and clear sound. Overall, the USB laptop speakers provide great stereo sound, look great (with the elegant ... :2.0, Type: Wired, USB 5-6V Power supplySuitable for Laptop, PC, MP4, MP3, PDA, Home Theater, subwoofer speaker ,Portable Audio ...