... , Applicable for ipod, MP4 Player, Laptop, PC and More.With special particular patent in worldwide. Be applicable for MP3, MP4 ... 2 speakers together, and easy to take Used new design of latent port Dimension: φ55 x ... .5V Suitable temperature: 0 - 40 C Be applicable for MP3, MP4, laptop, PC, MD, mobile phone, ... speakers together, and easy to take Used new design of latent port With special particular patent ...