Products Package Includes: 1 x Speaker, 1 x Power Adapter, 1 × 3.5mm Audio Cable, 1 x Remote controller, 1 x Use Manual. 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.Helicopter style, fashion, cool, unique. Support MP3, FM radio. You 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 screen. Receiving Window is beside display screen. Audio output of computer link with AUX socket. Open the power / Volume turn to ON (or press ON), then it will go to working mode. It will play MP3 automatically if you insert USB which with MP3 file. When Power on, the light on the front of Helicopter lights, when Power off, the light on the front of Helicopter off.