1. Audio Theme, Dynamic Editing Theme, Rich Theme Resources, 2. Sound Pickup Function, Music Visualization, Supports Wav Audio File Pickup And Microphone Pickup3. Adopt Aluminum Alloy Shell, Sturdy And Durable, And The Overall Texture Is More Textured4. Video Dynamic Background, Thanks To The High-Performance Processor, The Secondary Screen Of The Chassis Can Realize Ui+Video Background Function5. The Operation Is Simple And Easy To Use, No Complicated Operations Are Required, The Interface Functions Are Clear And Clear, And It Supports Light And Dark Theme Switching.Specifications: type: No Welding / WeldingDue to different batches, the appearance, color, and printed words of the product may vary, which does not affect its use.Material: PCBcolour: As Shown Package Contents: 1 x Development Board2 x Pin header/1 x Development BoardOnly 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin