Speaker, Applicable for ipod, MP4 Player, Laptop, PC and More.With special particular patent in worldwide. Be applicable for MP3, MP4, laptop, PC, MD ... combine the 2 speakers together, and easy to take Used new design of latent port Dimension: φ55 x 38.5/φ55 ... combine the 2 speakers together, and easy to take Used new design of latent port With special particular patent in worldwide ...