1. Comes with a microphone, do not take the audio cable.
2. Power 5V (USB interface power supply)
3. High brightness: all using authentic Taiwan billion light bright LED
4. Using a single-chip drive, the frequency spectrum is better, not bright and clear high brightness.
5. Sensitivity to sound, 10 adjustable. 2 kinds of jump mode optional
1 x 2*17 USB Mini Audio LED Display Module