This is Helicopter Model 2.1 Channel Computer Speaker Yellow. This player is With MP3， FM radio and 2.1 speaker of computer function. It sounds nature， sonority.                                    Features            Helicopter style， fashion， cool， uniqueSupport MP3， FM radioYou can use the function keys on player body or remote controller to control the functions when playing MP3 and FM radio， and it shows playing time or FM frequency etc. on display screenReceiving Window is beside display screenAudio output of computer link with AUX socketOpen the power / Volume turn to ON (or press ON)， then it will go to working modeIt will play MP3 automatically if you insert USB which with MP3 fileWhen Power on， the light on the front of Helicopter lights， when Power off， the light on the front of Helicopter off                                                            Specifications            Speakers    76mm * 3    <br>Output power    2.5W*2 + 6W    <br>FM    87.5MHz-408MHz    <br>DC IN    12V    <br>Size    Speaker box:(39 x 20 x 23) cm / (15.4 x 7.9 x 9) " (L x W x H)<br>Remote controller: (4.1 x 1.8 x 0.7) " (L x W x H)<br>Adapter: (2.8 x 1 x 3) " (L x W x H)    <br>Adapter Cable length    56.7 "    <br>3.5mm Audio Cable Length    59 inches    <br>Color    Yellow    <br>                                                            Package Includes            1 x Speaker1 x Power Adapter1 x 3.5mm Audio Cable1 x Remote controller1 x Use Manual