This is a new WiFi+Bluetooth dual-mode development board based on the ESP32 design. It features onboard PCB antennas and two high-performance 32-bit LX6 CPUs, utilizing a 7-stage pipeline architecture with a main frequency adjustment range of 80MHz to 240MHz. ESP32-CAM WiFi Bluetooth Board ESP32-CAM-MB - USB Serial Port CH340G with OV2640 Camera Module: The ESP32-CAM-MB uses a USB interface for convenient connection, making it ideal for IoT hardware terminal applications. It boasts ultra-low power consumption, with a deep sleep current as low as 6mA. It's an ultra-small 802.11b/g Wi-Fi + BT/SoC module. Applications: Device transmission; wireless monitoring; smart agriculture; QR wireless identification; wireless positioning system signals, etc. Material: PC+Metal Color: Black Package Contents: 4 x ESP32-CAM Module, 4 x OV2640 Camera Module