Applicable scene: musical instruments Keys: 25 velocity-sensitive keys; Drum Pads: 8 RGB backlit pads with velocity sensitivity and aftertouch Knobs: 8 assignable 360-degree rotary knobs Slider Touch: Capacitive Touch Pitch Bend Slider and Modulation Slider 6.35mm sustain expression pedal interface Output: USB-B interface, wireless connection to Windows,/Mac/ios/Android, wireless MID1OUT function (requires additional wireless receiver) Power supply: 2000mAh battery or USB Colour:White Material:plastic Package Contents: 1 x MIDI keyboard 1 x charging cable 1 x Chinese and English manual 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.