Caline G014 Fuzz Pedal Classic Guitar Mini Fuzz Effect Pedal For Electric Guitar Classic Style?Thick, saturated and chewy - just like a good fuzz should sound and inspired by a classic heard on dozens of iconic album releases Many Types: Caline Mini Fuzz Pedal Three-Knob tone control, Volume(Controls the overall signal volume), Tone( Controls the overall brightness of your signal), Sustain( Adjust the degree of Fuzz sound? True Bypass: LED indicator shows the working state.True bypass for zero tone coloration. this pedal for getting some really cool tones out of your rig Power Supply: DC 9V Adapter power supply. (plug polarity is positive on the barrel and negative in the center).(NOT INCLUDED) Mini style: Small, light weight. Aluminum-alloy chassis seems durable and the on off button is sturdy and satisfying to click .It is popular for blues rock and metal guitarist