<p>1. Music audio display production.</p> <p>2. LED vehicle volume level indicator.</p> <p>3. Fun electronic DIY kit controlled by voice.</p> <p>4. USB voice control audio spectrum light kit.</p> <p>5. The use of a separate comparator circuit is slightly more complex, but can be accurate display.</p> <p>With anti-reverse connection protection diode, effectively prevent power polarity connection to burn circuit, more suitable for DIY.</p> <p>High brightness: All huge highlighting LED, driven by comparator circuit, better spectrum effect, no virtual bright clear brightness high brightness. For sound sensitivity, adjustable with adjustable </p> <p>Type: B:Flash from the middle to both sides</p> <p>Voltage: DC 5-12V</p> <p>Own microphone, no audio cable</p> <p>Power supply: 5V(powered by USB interface)</p> <p>Recommended MICRO-USB 5V Android power supply, universal phone charger USB, computer USB power supply</p> <p>Note: This is a DIY kit and you need to assemble it yourself.</p> <p>Color: green</p> <p>Material: PCB+components</p> <p>Package Contents:</p> <p>1 x circuit board</p> <p>1 set x accessories (Different batches may cause different color and appearance of accessories, don't accept the specified.but the functions are the same and will not affect the use,)</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>