Features:
4-band equalizer, rotate bass/middle/treble to adjust volume frequency.
With phase and tuner function.
Tone and volume control.
LED for battery check, replace battery when Batt lights.
Built-in microphone with mic blend level control.
Unique pivot design for instant 9-Volt battery access.
Powered by a 9V battery (not included).

Package List:
1pcs  * Guitar EQ