... music anytime Built-in amplifier with pure, vivid, distinct sound DVD player karaoke DVD player Portable DVD player DVB T Receiver DVD-karaoke player ... USB SD speaker 19Specification MINI card speaker Built-in amplifier with pure, vivid, distinct sound Compatible with laptops, iPod, MP3, MP4, MP5 ... , cell phones, PSPs and more Power rating: 2W + 2W Drive unit: 2-inch ...