Support AI voice interactio Supports for Xiaozhi AI and can access online large model platforms such as for Doubao, for and other AI models. Onboard audio codec chip Supports high-quality audio processing, providing clear, high-quality audio input and output Equipped with high-performance Xtensa 32-bit LX7 dual-core processor, with a main frequency of up to 240MHz Supports 2.4GHz Wi-Fi and Bluetooth 5 (LE), with internal antenna onboard Built-in 512KB and 384KB ROM, with integrated Flash and PSRAM Equipped with a 1.54-inch electronic ink screen with a resolution of 200x200, it has high contrast and wide viewing angle. Onboard audio codec chip supports voice acquisition and playback, facilitating the implementation of AI voice interaction applications Onboard PCF85063 RTC real-time clock and SHTC3 temperature and humidity sensor for accurate RTC time management and temperature and humidity monitoring Onboard Micro-SD card slot, can be connected to an external Micro-SD card to store pictures or files Onboard PWR and BOOT two customizable side buttons, convenient for custom function development 2x62.54mm spacing female headers are reserved for customers to use external expansion display panel:E-ink screen display size:1.54 inches display resolution:200 x 200 Grayscale:2 Communication interface:SPI global refresh:2s Display color:black,white Partial refresh:0.3s Viewing angle: 170° Display mode:Reflective (The product printed words depending on the batch, but this does not affect use) Color:As Shown Material:plastic Package Contents: 1 * ESP32-S3 AI e-Paper Ink Screen Only the above package content, other products are not included. Note: Light reflection 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.