With the big size LED music spectrum design, it can show the excellent effect of the sound waves, simple design and easy connection, it's suitable for the basics electronic enthusiasts Narrow screen with a case, when there is no music, it is a clock, when there is music, it is the spectrum Easy to connect the USB and the audio cable that can apply in the different player devices Automatic gain effect by the different music player devices Suitable for mobile phone, computer, MP3, MP4 and other different music player devices