Feature:1. Mini analog rotary speaker effect pedal with true bypass.2. 4-stage phase change simulation.3. RATE knob adjusts sweep rate of VIBE effect.4. LEVEL knob adjusts the level of the signal.5. DEPTH knob adjusts the amount of sweep deviation.6. ON/OFF LED light for indicating effects or bypass status.7. Mini analog rotary speaker effect pedal with true bypass. 4-stage phase change simulation.8. RATE knob adjusts sweep rate of VIBE effect. LEVEL knob adjusts the level of the signal.9. Full metal shell, durable and exquisite.Specification:Features:Mini analog rotary speaker effect pedal with true bypass.4-stage phase change simulation.RATE knob adjusts sweep rate of VIBE effect.LEVEL knob adjusts the level of the signal.DEPTH knob adjusts the amount of sweep deviation.ON/OFF LED light for indicating effects or bypass status.Full metal shell, durable and exquisite.Specifications:Material: MetalInput: 1/4" Monaural JackOutput: 1/4" Monaural JackPower Supply: DC 9VWorking Current: 300mAItem Size: 9.5 * 4.2 * 3.3cm / 3.7 * 1.7 * 1.3inItem Weight: 175g / 6.2ozPackage Size: 10 * 6 * 6cm / 3.9 * 2.4 * 2.4inPackage Weight: 210g / 7.4ozNote:The guitar showed in the picture is not included.Please use the 9V power adapter whose polarity is positive pole outside and negative pole inside. Otherwise, the product may not work properly.Package List:1 * Effect Pedal1 * User Manual(English & Chinese)Package List:1 * Effect Pedal1 * User Manual(English & Chinese)