1. Multispectrum Display Effects 8 kinds of effects such as music level indicator bar, point, peak, etc., when a music signal is detected, it will automatically switch to the spectrum mode (need to set or set to switch the spectrum display effect) 2. LED Music Spectrum Analyzer AS1624 has 24 frequency bands, adopts 32bit highspeed processor and AGC (Automatic Gain Control) module, can capture and display every detail of music, can be used for frequency point testing, and has excellent visual effects and high precision 3. With Clock Function The music spectrum sound effect uses a highperformance, lowpower DS1302 clock chip, which has a poweroff hold function, and can continue to run after poweroff. 4. Brightness Adjustment The music spectrum equalizer supports automatic brightness adjustment, the brightness is automatically adjusted by the potentiometer, and there are holes on the back.