Core board features: 1. Main chip BL808 RV64 480MHz+RV32 320MHz+NPU BLAI 100GOPS 2. Onboard SPI FLASH (default 16MByte) 3. Support 2.4G WIFI/BT/ 4. Support IPEX first generation antenna pedestal and PCB board antenna 5. Stamp hole leads out all IO Colour: Black Material: PCB Parameters: Core board: Items:(BL808) CPU:480M RV64GCV+ 320M RV32GCP+ 160M RV32EMC RAM:768K SRAM+64MB UHS PSRAM(2000M) Flash:16MB System:FreeRTOS / Linux NPU:100GOPS with rich OPS camera:MIPI+DVP,up to 1080P H264 Display:SPI/8bit MCU/RGB LCD Audio:I2S+ Analog Audio Input/output Wireless:WIFI + + Zigbee USB:USB2.0 OTG Accelerator: Scaler,OSD,MJPED,G2D,H264 Penpheral:UART, SPI, IIC, SDIO ETH(RMII), ADC/DAC Size:31 x 18 mm Different production batches may have different appearance and color, which will not affect the use Package Contents: 1 x M1S core board 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.