... Music Player Speaker for Mobile Computer Laptop Notebook PC 2. Built-in rechargeable battery Mini Portable Speaker ... Music Player Speaker for Mobile Computer Laptop Notebook PC Features:1. Music Speaker suitable for mobile phone ... MP3,MP4,MD,CD,PC ,Notebook, PDA,PSP and other audio devices.2 ... Attention:1. Audio dock could be charged in PC with USB cable, or by a charger.2 ...