High performance dual core processor: Integrated with a 32-bit LX7 dual core processor, providing powerful computing power and low-power performance Wi Fi and BT dual-mode support: Supports 2.4GHz Wi Fi and BT 5 (BLE), compatible with multiple wireless communication protocols Efficient data transmission: With a data rate of up to 150 Mbps, it ensures a fast and stable connection Multi interface: Comes with two Type-C interfaces, one can be used directly with a COM tag, and the other USB can be powered on using OTG or by holding down BOOT to display the port and download the program normally Low power and high power modes: Equipped with a low-power coprocessor and a high power mode of up to 20 dBm, suitable for various application scenarios Working voltage: 3.3-5V IO ports: 36 IO ports Flash:N16R8 (16M),N8R2 (8M) PSRAM:N16R8 (8M),N8R2 (2M) 2 I2C, 4 SPI interfaces Size: 57mm x 28mm (The product appearance and printed words depending on the batch, but this does not affect use) Color:As shown Material:PCB Package Contents: 1 x development board 2 x needle arrangement (unwelded needle arrangement) 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.