Color: As shown Material: Plastic + Metal Specifications: Controller Type: MIDI Controller (USB Class-Compliant) Faders: 4 units, 100mm travel length, smooth damping movement (no detents) Switches: 4 rocker switches (left/right action), assignable as software buttons MIDI Protocol: MIDI 1.0 USB Connectivity: USB 2.0, with both Type-B (front) and Type-C (left-side) ports Compatibility: Plug-and-play, no drivers required. Recognized automatically by most DAW (Digital Audio Workstation) software on computers. Control Method: Assign functions via the MIDI learn/mapping feature within your DAW or music software. Hardware Programming: Includes dedicated configuration software to customize MIDI messages (CC, Note, etc.). Settings are saved internally on the device. Applications: Ideal for controlling various parameters (knobs, faders), CC automation, volume automation, and more within music production software. Physical Dimensions: 190mm x 95mm Color: As Shown Material: Plastic+Metal Package Contents: 1*USB MIDI Controller 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.