Features:
Tone & volume control.
With phase & tuner function, built-in reverb, delay, chrous & wide effects.
3-band equalizer, rotate Low/ Middle/ High to adjust volume frequency.
Rotate Reverb/ Delay/ Chorous/ Wide button to adjust its corresponding reverb, delay, chrous & wide effect.
Wide frequency range from 20 HZ to 20 k HZ.
LED for effect on/off & battery check, replace battery when BATT. light is on.
Powered by a 9V Alkaline battery. (Battery is not included)