Features 1、【Powerful Booster Pedal】: This mini guitar effects pedal provides a 20db+ clean boost with ±15db 2 band EQ, creating a rich distortion sound that enhances the original tone of your guitar. It/u0027s perfect for musicians looking to add a powerful punch to their performance. 2、【Adjustable Treble Knob】: The treble knob allows you to adjust the intermediate and high frequencies, making your sound more penetrating and increasing the booster. This feature gives you the flexibility to customize your sound to suit your musical style. 3、【Gain Control】: With the gain knob, you can adjust the degree of distortion. Turning it clockwise increases the distortion while maintaining the clarity of the guitar notes. This feature allows you to create a wide range of sounds, from a subtle crunch to a heavy distortion. Specifications: Features: 【Powerful Booster Pedal】: This mini guitar effects pedal provides a 20db+ clean boost with ±15db 2 band EQ, creating a rich distortion sound that enhances the original tone of your guitar. It's perfect for musicians looking to add a powerful punch to their performance. 【Adjustable Treble Knob】: The treble knob allows you to adjust the intermediate and high frequencies, making your sound more penetrating and increasing the booster. This feature gives you the flexibility to customize your sound to suit your musical style. 【Gain Control】: With the gain knob, you can adjust the degree of distortion. Turning it clockwise increases the distortion while maintaining the clarity of the guitar notes. This feature allows you to create a wide range of sounds, from a subtle crunch to a heavy distortion. 【True Bypass Switch】: The true bypass switch provides a transparent tone, ensuring that your signal passes through the pedal unaltered when the effect is disengaged. The LED indicator shows the working state of the pedal, making it easy to see whether the effect is on or off. 【Compact and Durable】: The pedal's durable metal case and mini size make it perfect for any pedal board. It has a 1/4” monaural jack input and output, and requires a DC 9V adapter power supply (not included). Specifications: Input: 1/4 "mono jack (impedance: 1M ohms) Output: 1/4 "mono jack (impedance: 1k ohms) Power Supply: DC 9V (external positive and internal negative) Attention: This product does not include a power adapter. Working Current: 6mA Product Material: Aluminum alloy Product Color: Cyan Product Size: 3.7 * 9 * 3.5cm/1.5 * 3.6 * 1.4inch Note: Due to the different display screen and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Packing List: 1 x Electric Guitar Effects Pedal 1 x Instructions Package List 1 x Electric Guitar Effects Pedal 1 x Instructions