ESP32AudioKit supports music playback and recording and supports audio formats such as MP3, AAC, FLAC, WAV, OGG and more. It enables Downmixer and other audio processing features and uses the ESP32A1S with SMD packaging to enable rapid production and provide reliable connection options. The module features a built in low power, dual core 32 bit CPU and the ES8388 audio codec. It integrates two channel ADC, two channel microphone amplifier and headphone amplifier, making it suitable for a variety of applications in home smart devices, smart audio, storytelling devices and other voice products. ESP32AudioKit can source audio from HTTP, HTTP Live Streaming, SPIFFS, SD card, A2DP source, A2DP sink, HFP and more. It includes media capabilities such as DLNA, VoIP and other internet radio, and supports online and offline voice recognition with integration to DuerOS and other online services. It is a compact audio development board by Anxinke based on the ESP32A1S module. Most audio peripherals are distributed on both sides of the board. It supports TF card, headphone output, two way microphone input and two way speaker output, facilitating rapid development for developers.