M-VAVE Mini MIDI Keyboard SMK-25 Rechargeable Portable USB Controller with 25 Keys Sensitive to Velocity 1 Knob

Portable MIDI controller with wireless function Multiple device connections including wired, wireless and MIDI OUT USB-C port for easy connection and charging Two power supply options: USB or built-in 780mah battery Features 25 velocity sensitive piano keys and one distributable 360 degree rotary knob Equipped with arpeggios, intelligent scales, chords functions 3.5mm continuous tone/expression pedal interface included All-in-one sustain pedal port and MIDI out port One-button control for Sustain, Modulation and other functions Smart Chord and Scale feature for easy inspiration.