Espressif Systems ESP32-S31-Korvo-1 Development Board
Courtesy of Mouser
The board is based on the ESP32-S31-WROOM-3 module and features a dual-microphone array, speaker output, and a microSD card slot. The board supports speech recognition, voice wake-up, and connection to a 4.3-inch LCD subboard and DVP camera for interactive AIoT prototypes.