ESP-32S Wifi Bluetooth combo module is ultra-high performance and ultra-low-power consumption Wi-Fi and Bluetooth combo wireless platform based on ESP32 chipset. ESP-32S integrates the dual-core processor, 448 KByte ROM,520 KByte SRAM,16 KByte SRAM in RTC, 802.11 b/g/n/e/I Wi-Fi, Bluetooth v4.2 BR/EDR & BLE, clocks & Times, abundant peripheral Interfaces and security mechanism.