1.Adopts ESP32-S3R2 chip with Xtensa 32-bit LX7 dual-core processor, capable of running at 240 MHz. Built in 512KB SRAM, 384KB ROM, 2MB of on-chip PSRAM, and onboard 16MB Flash memory. 2.Onboard 1.14inch 240×135 pixels 65K color IPS LCD display. Integrated 2.4GHz WiFi and Bluetooth LE wireless communication. 3.WiFi supports Infrastructure BSS in Station, SoftAP, and Station and SoftAP modes. WiFi supports 1T1R mode with data rate up to 150 Mbps. Bluetooth supports high power mode (20dBm). Internal co-existence mechanism between Wi-Fi and Bluetooth to share the same antenna. 4.Onboard 3PIN UART port, 3PIN GPIO header and 4PIN I2C port. Equipped with plastic case and cables. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.