... speaker10,mini single speaker11,portable mini speaker MA-02mini speaker with FM,TF card,support USB1) Output: RMS 3W 2 ... micro-speaker, insure the sound quality.Circular design, exquisite appearance, with 6 buttons.Buttons definition: "MODE", "Stop/Pause","EQ". "Back/volume ... Phones, iPod, Portable CD Players, Notebook PC etc.Bottom with red or blue LED light.Build-in lithium battery, rechargeable ...