mini portable speaker 1)Mini vibration USB speaker 2)Good sound quality 3)360 degree musical player 4)OEM mini portable speaker 1. Direction to usageWhen you use Touching ,please put it on hard surface upward ,and let the pedestal touch the surface tightly.Insert the line's miniusb end to the sound box,connect the audio line with the earphone juncture of computer,mp3 and so on,besides,connect the ...