1. Quad-core ARM A35 CPU, ARM architecture v8-A instruction set 2. Supports GPIO, UART, SPI, I2C, and MIC interfaces for development and debugging 3. Onboard DDR3 2Gbit SDRAM memory, clock frequency 1.066 GHz 4. Onboard 2.4 GHz wireless transceiver chip and Ethernet transceiver supporting Wi-Fi and 100 Mbps Ethernet 5. Wireless transceiver chip, SD card slot, and USB 2.0 interface support SPINAND flash or SD card image burning Wireless transceiver chip: RTL8723DS Ethernet port: 100 Mbps Ethernet port Color: Blue Material: PCB Due to manufacturing variations, product appearance and printed text may differ slightly between batches; such differences do not affect functionality Package Contents: 1 × Development Board Kit Note: Lighting conditions and display settings may cause slight color variation between the image and the actual product. Measurement tolerance is ±1–3 cm.