■ Automatic real time anti-feedback,up to 8 high-precision notch ■ 3-band EQ,Compressor,Tremolo,Chorus,Delay,Reverb ■ 8 acoustic guitar profiles IR slots ■ Preset/Live/Edit working modes,3 editable presets ■ USB Audio, wireless audio input ■ Mobile phone recording jack ■ Built-in rechargeable battery ■ It can be used as computer sound card ■ User can download the computer software from official website, then use it to edit presets, import IR file, restore the factory Settings