Vibration is a magic 360&#176; unimpeded music player which designed by the principle of resonant. it makes any hard surface play euphonious musical notes，such as wood，glass，wall，metal surface etc， you can hear various materials around you， which play different music quality on different sides ，and you will enjoy yourself in the freedom of music.                                    Features                New and fashion<br>    You can experience the different pronunciation way when it is put on the metal， wood， plastics， glass， stone<br>    Support TFcard / MP3 / MP4 / mobile phone / PC<br>    LED indicates working Status<br>    Li-ion battery built-in， more convenient<br>                                                            Specifications                        Input DC voltage     DV5V&#177;0.5V    <br>          Li-ion battery inside     3.7V 500mAh    <br>          Output power     3W    <br>          Frequency response     80Hz - 18KHz    <br>          Packaging size     14 x 8 x 10cm / 5.51 x 3.15 x 3.94in (L x W x H)    <br>          Player size     5.3 x 5.5cm / 20.87 x 21.35in (D x H)    <br>          USB cable length     155cm / 61.02inches    <br>          Color     Silver    <br>                                                             Package Includes                1 x music player<br>    1 x USB cable<br>    1 x Remote Controller<br>