Feature: 1. Uses the BBD circuit to achieve great metallic flange sounds, wave like chorus sounds plus rapid tremulous vibratos! 2. Great for standing out in a band mix or to provide an swirling energy to your sound. 3. 4 adjustable knobs control Speed, Regain, Width and Delay Time. 4. True bypass design minimizes tone loss. 5. Aluminum alloy casing with stoving varnish finish. 6. Uses the BBD circuit to achieve great metallic flange sounds, wave like chorus sounds plus rapid tremulous vibratos! Great for standing out in a band mix or to provide an swirling energy to your sound. 7. True bypass design minimizes tone loss, provides transparent tone. 8. Aluminum alloy casing with stoving varnish finish, stable and strong. 9. LED indicator shows the working state. Power Supply: 9V AC adapter. Specification: Features: Uses the BBD circuit to achieve great metallic flange sounds, wave like chorus sounds plus rapid tremulous vibratos! Great for standing out in a band mix or to provide an swirling energy to your sound. 4 adjustable knobs control Speed, Regain, Width and Delay Time. True bypass design minimizes tone loss. Aluminum alloy casing with stoving varnish finish. Specifications: Model: JF-07 Color: White Material: Aluminum alloy Input impedance: 500kω Output impedance: 10Kω Delay time: 0.9ms-6.4ms Speed range: 0.4HZ-8HZ Running current: 20mA Power: 6F22 9V battery / DC 9V adapter (Neither included) Item size: 12 * 9.6 * 5.7cm / 4.7 * 3.8 * 2.3in Item weight: 390g / 13.6oz Package size: 13 * 10.4 * 6.2cm / 5.1 * 4.1 * 2.4in Package weight: 430g / 15.1oz Note: 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 Pedal 1 * User Manual (English & Chinese) Package List: 1 * Effect Pedal 1 * User Manual (English & Chinese)