The ESP32-S2-WROVER (4MB) is an advanced Wi-Fi module manufactured by Espressif. It is designed with a small footprint SMD42, 18x31x3.3 RoHS (lead-free). It supports 802.11 b/g/n Wi-Fi and Bluetooth 4.2. It contains an ultra-low power RISC-V microprocessor (ESP32-S2), 4MB of Flash, and an on-board antenna. Power input range can be from 3.3V to 6V. ESP32-S2-WROVER is well suited for low-power applications like IoT, home automation, medical, retail, wearables, and more. It has a broad range of interface options including GPIO, SPI, UART, I2C, SDIO, and I2S. It features 802.11b/g/n Wi-Fi with data rate up to 150 Mbps and supports a variety of authentication protocols. Additionally, it supports voice recognition and Bluetooth mesh network.