The M-VAVE MK20 is a compact, battery-powered guitar/bass multi-effects processor featuring ANN-based amp modeling, 320+ effects, 150 presets, and a built-in expression pedal. It supports IR loading, Bluetooth MIDI/audio, and operates as a USB audio interface with a 3000mAh battery providing up to 10 hours of runtime.This video provides a detailed introduction to the M-VAVE MK20's panel and controls: