Description:

    Master the use of low-power dual-core 32-bit CPU speeds up 240mhz, arithmetic capability up to 600DMIPS
    built-in CodeC audio decode chip, supports local music playback and recording
    supports two MIC inputs and Linein inputs
    supports headphones and speaker output
    built-in 520KB RAM +4M PSRAM, default 32Mbit SPI Flash
    softtap and Station modes are supported.
    Ultra-small size Wi-Fi + BT/BLE SoC module
    support uu/SPI/I2S/I2S/PWM/ADC/ADC, etc.
    Supports firmware upgrade (FOTA)
    antenna Support board antenna or IPEX socket output
    supports a variety of mainstream compression and lossless audio formats, including audio V