VAVE Controller,Velocity Sensitive 1 25 Velocity Sensitive Portable Usb Midi Usb Midi With 25-key Midi Portable Midi With 25 Dsfen Midi Sensitive 1 Knob With 25 Velocity Huiop Rusuo Midi Midi

Two power supply methods: USB power supply, battery power supply(built-in 780mah lithium battery). USB-C port for connection and charging. 25 velocity sensitive piano keys, 1 distributable 360 degree rotary knob. Powerful, with arpeggios, intelligent scales, chords, and other functions. Battery supplied portable MIDI controller with wireless function.You may also like Ammoon 61 Keys Black Digital Music Electronic Keyboard KeyBoard Electric Piano Kids Gift Musical Instrumen.