2.0 Card Speaker 1.multi-function speaker 2.Mini style card speaker 3.High-performance loudspeakers. 2.0 Card Speaker—Portable DVD1,A molding plastic cabinet design, small and lean,and superior sound.2,Enhanced array speaker units, great power, great sound field.3,Spherical diverging playback design,The sound still keep high fidelity for large venues.4,Widely used in learning, leisure, office, ...