ESP32-Audio-Kit is a small audio development board based on ESP32-A1S module. audio peripherals are distributed on both sides of the development board, supporting TF card, headphone output, two microphone inputs and two speaker outputs. It is convenient for developers to develop quickly.Suitable for home smart devices, smart speaker solutions, children's story machine prototypes, etc., is an Perfect solution for IoT applications.Low- -core 32-bit CPU for application processorsMain frequency up to 240MHz, computing up to 600 DMIPS-in 520 KB SRAM, 8M PSRAMSupports interfaces such as UART/SPI/I2C/PWMHeadphone port: Insert 3.5mm headphone jack to support left and right channel outputLeft and right channel speakers: support output 4 3W speaker output, and support channel outputTwo analog microphones, respectively, as audio input; support for headset microphone inputSupport 3.7V lithium battery input; support 5V 2A input, support simultaneous lithium battery chargingSupport 64G SD card reading and writingSupport multiple modesEmbedded Lwip and FreeRTOSSupport STA//STA+ working modeSupport Smart Config/AirKiss One-click distribution networkcolour:blackMaterial:plasticsize:65x58mmPackage Contents:1 x ESP32 Audio Development BoardOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.