Equipped with ESP32-S3R8 high-performance dual-core processor, max main frequency up to 240MHz ^^ Supports 2.4GH z Wi-Fi & Bluetooth 5 (LE), with onboard antenna ^^ Built-in multi-spec storage, integrated 8MB PSRAM + external 16MB Flash ^^ Comes with 3.97 -inch e-paper display (800480), high contrast & wide viewing angle ^^ Onboard audio codec, 6-axis IMU, temp&humidity/RTC chips for multi-scenario expansion