Fangrui Product Details Description: 1. This Product Is A Cost-effective Linux Development Board Based On The Core1106 Series Module, To Provide Developers With A Simple And Efficient Development Platform. 2. Supports Multiple Interfaces, Such As Mipi , Gpio, Uart, Spi, I2c, Usb And 4g Module M.2, Etc., Suitable For Various Embedded Application Development. 3. Usb Expansion, Flexibly Switch Usb-c/4xusb-a Host Interface Through The Dip Switch. 4. Audio Interface, Patch Microphone + Microphone Expansion Interface + 3.5mm Audio Output Interface To Meet A Variety Of Audio Application Scenarios. 5. 4g Module M.2 Interface, The Usb-a-4 Interface Can Be Switched To The 4g Module M.2 Interface Through The Dip Switch. Specifications: Model: Pi A (with Wifi) Processor: Rv1106g3 Npu: 1tops Memory: 256mb Ddr3l Due To Different Batches, There May Be Differences In Product Appearance And Printed Text, Which Not Affect Use Color: Black Material: Pcb Package Contents: 1 X Pi Rv1106 Linux Development Board Kit Only The Above Package Content,