NUX PG-2 Portable Electric Guitar Multi-Effects Pedal Processor with Tuner Metronome Built-in Noise Gate 3 types of amp sound: Clean; Blues; Rock,3 types of speed modulation effects: Chorus; Flanger; Tremolo AUX-IN for connecting with external music player like mp3 and CD player. Passive 3 band EQ for nature tone.800ms delay time, with reverb effect 18 types of preset: P1-P9 preset by manufacturer; U1-U9 for you to set according to your need. Built-in noise reduction switch.