USE TO CONTROL - By rotating the knobs you can boost the guitar amp for colorful tone or overdrive itself for unique pedal sound.
LED INDICATOR - LED indicator shows the status of effect. No battery, Powered by AC adapter(not included).
ANTI SKID - Rubber pads on the backside is anti-skid, which enhances the stability and avoids friction between the effect pedal and the ground.
RELIABLE QUALITY - High quality by aluminum alloy which is durable and have a classic mini size brings you a musical feast.