25-Key MIDI Keyboard Controller USB Portable A7

Battery supplied portable MIDI controller with wireless function.;Multiple device connections: wired, wireless, wireless direct, wireless adapter connection, MIDI OUT connection.;USB-C port for connection and charging.;Two supply methods: USB supply, battery supply(built-in 780mah battery).;25 velocity sensitive piano keys, 1 distributable 360 degree rotary knob.;Powerful, with arpeggios, intelligent scales, chords, and other functions.;3.5mm continuous tone/expression pedal interface.