"E7 is the MOOER Polyphonic Guitar Synth Pedal is the second pedal of MOOER New Micro series. As a brand-new design Micro series, we have added 7 LED indicators on the right side of the shell, providing more possibility to the New Micro series. E7 can transform your guitar into a typical electronic synthesizer, without the need for special pickups or instrument modifications. It is named as E7, for its seven different MOOER custom synthesizer tones. Each tone with an individual arpeggiator, high/low frequency cut, attack, speed function, allow users to shape the tone in their mind easily, explore the horizon of tone with the E7."