1.clear bass resonance 2.can read TF card U-disk 3.with Design Patented Certificate 4.Sound with high fidelity 5.CE,RoHS Features:1.Bomb music mini speaker is a total audio solution with high quality sound, with clear bass resonance . 2.golf shape with Design Patented Certificate.3.Concise design & Compact folding design, easy to use.4. Appliance to MP3, MP4,Notebook, PDA,PSP,PC,MD,Mobile phones ...