Adopts ESP32-S3R8 chip with 2.4 GHz Wi-Fi and Bluetooth LE 5.0 support, integrating high-capacity Flash and PSRAM. Features a 1.43-inch AMOLED display capable of smoothly running GUI frameworks such as LVGL. Includes rich onboard peripherals: RTC chip, QMI8658 6-axis IMU (3-axis accelerometer + 3-axis gyroscope), microSD card slot, lithium battery connector, and reserved USB, UART, I²C, and GPIO pin headers for strong compatibility and expandability. Ideal for rapid HMI and ESP32-S3 application development. Equipped with a high-performance Xtensa 32-bit LX7 dual-core processor, up to 240 MHz. Supports 2.4 GHz Wi-Fi (IEEE 802.11 b/g/n) and Bluetooth 5.0 (LE), with onboard antenna; optional external antenna via resistor modification. Built-in 512 KB SRAM and 384 KB ROM; onboard 16 MB Flash and 8 MB PSRAM. 1.43-inch AMOLED display with QSPI interface, 466 × 466 resolution, 16.7 million colors. Supports capacitive touch via I²C interface with interrupt capability. QMI8658 6-axis IMU enables motion detection, gesture recognition, and step counting. PCF85063 RTC chip with dedicated RTC battery header (supports charging). Onboard RST and programmable BOOT buttons for custom function development. 3.7 V lithium battery connector (MX1.25 pitch). MicroSD card slot for external storage of images or files. USB Type-C port for power supply, firmware download, and debugging. Onboard UART and I²C SH1.0 4-pin connector, plus two 14-pin 1.27 mm pitch headers supporting multiple GPIO interfaces. CNC-machined metal enclosure with labeled rear panel for clear identification and portability. Note: Appearance and labeling may vary slightly between production batches; such variations do not affect functionality.