1. 37-key Force Sensitive MIDI Keyboard with Three Octave Interval Ranges. Pull Spring Piano Keys Provide a Comfortable Feel with Rapid Rebound. 2. 1.54-inch Display Screen. 3. Solid Tone Pitch Wheel and Modulation Wheel. 4. Backlit Silicone Button Design, Silent and Responsive When Pressed, Making Your Music Experience More Pure. 5. 8 Sets of 360-degree Rotary Encoders, Finely Adjusted and Freely Controlled, Presenting More Precise Details.<br><br>16 RGB Backlit Impact Pads That Can Sense Changes in Intensity and Provide Feedback After Touch, Making Your Rhythm More Vivid and Powerful. 4 Entity Promoters, Which Can Be Expanded to 8 Using the Promoter Library. 3.5mm MIDI Input/Output Interface, 6.5mm Sustain/ Pedal Interface. Built-in Arpeggios and Note Repeat Function, Enriching Rhythm Levels and Giving You Unlimited Possibilities for Performing Music. Built-in Sequencer, Supports Saving 8 Sets of Prefabrication. Eight Degree/Shift Switch. Output: USB-C, Wireless MIDI/OUT Function. Support Wireless Connection to //iOS/Android ( Users Need to Support BT 5.0 and Additional BLE MIDI Drivers). Supports Multi-terminal Software Operations for , , IOS, and Android. Compatible with All Digital Audio Workstations. Built-in Audio Source: This Device Has a Built-in Audio Source (Synthesizer Engine) That Can the Classic DX-7 FM Synthesizer. Size (cm): 48 x 21.2 x 7.2cm Color: White Material: ABS<br><br>Package Contents: 1 * Midi Keyboard<br><br>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.