[Portable BT MIDI Keyboard]You can connect it wirelessly to your device with BT, Or use USB MIDI to transmit MIDI data between the two, which can easily slip this ultraportable MIDI keyboard into almost any bag and take it with you to the studio, café or hotel to compose music. [Intelligent Automatic Accompaniment]Professional dynamic keyboard you can play essential bass lines, melodies, and leads with ease thanks to intelligent dynamic scale mode, the scale tones enable you to switch between many musical genres. If you enable intelligent dynamic scale mode, you won't have to be concerned about tuning issues when arranging. [Functional Area] USB Midi Keyboard can turn on or off 25 velocity-sensitive keys, 8 RGB backlit velocity-sensitive pads, 8 assignable rotary encoders, 2 touch strip pitch bend and vibrato, octave, transpose, arpeggio, note repeat, and chord functions allow you to create the music clips you no restrictions on places. [OLED Screen Display]The midi keyboard controller has a straightforward panel design and a high-definition OLED display that can show specific parameters. View arpeggio, velocity, speed, and other functions in real time to working normally, bring convenience to your creation and get more inspiration. [Compatible with Variety DAW & devices]Compatible with windows, android, macOS and iOS, compatible with all digital audio equipment, Ableton Live, Fl Studio, Logic Pro X, MPC Beats, Reason, Studio One, GarageBand, etc. OYAYO MIDI keyboard provides you with a complete music production experience to help you in your arrangement and creation. Colour:Black Material:plastic Package Contents: 1 x 25 Key Midi Keyboard Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.