ESP WROOM 32 MCU Development Moduleis  a powerful, generic WiFi-BT-BLE MCU module that can be used in a wide variety of applications, ranging from low-power sensor networks to the most demanding tasks, such as voice encoding, music streaming, and MP3 decoding. The WROOM32 based modules with integrated flash. These modules are well suited for Wi-Fi and Bluetooth/Bluetooth LE-based connectivity applications and provide a solid dual-core performance and the clock frequency is adjustable from 80 MHz to 240 MHz.
 
Features
Ultra-low-power management.
38 Pin Module
4 MB Flash.
Current: 80 mA.
Supply Voltage: 2.2 V ~ 3.6 V.
Data Rate: 54 Mbps.
Frequency: 2.4 GHz.
 
Application 
Universal low power IoT sensor hub.
Home automation.
Universal low power IoT recorder.
Mesh network.
Video streaming of the camera.
Industrial wireless control.
OTT TV box / set-top box device.
Baby monitor.
Smart Socket.
Sensor networks.
Wi-Fi toys: Counters, toys, Anti-lost device.
Wearable electronic products.
Wi-Fi speech recognition device.
Wi-Fi location-aware devices.