... micro-speaker, insure the sound quality.Circular design, exquisite appearance, with 6 buttons.Buttons definition: "MODE", "Stop/Pause","EQ". "Back/volume ... , Music Phones, iPod, Portable CD Players, Notebook PC etc.Bottom with red or blue LED light.Build-in lithium battery, rechargeable ... Speaker1 * Audio & USB cable 2013 new portable round mini speaker with usb/sd/tf card/fm radio heavy bass MD-05