Equipped with high-performance Xtensa 32-bit LX7 dual-core processor, the main frequency is up to 240MHzSupports 2.4GHz Wi-Fi and Bluetooth 5 (LE), onboard internal antenna, reserved solder joints, can be set as external antennaBuilt-in 512KB and 384KB ROM, stacked 16MB Flash and 8MB PSRAMOnboard 1.43-inch AMOLED display, 466 x 466 resolution, 16.7M colorAMOLED screen display uses QSPI interface, touch uses I2C interface, capacitive touch, supports interrupt outputOnboard QMI8658 six-axis inertial measurement unit (3-axis acceleration, 3-axis gyroscope), can detect motion posture, step counting, etc.Onboard PCF85063 chip, reserved SH1.0 battery slot (supports charging), can easily realize function requirementsOnboard , BOOT side buttons, BOOT Supports custom button functions, making development and use more flexibleOnboard 3.7V MX1.25 lithium battery charging and discharging interfaceOnboard Micro-SD card slot, can be connected to an external Micro-SD card to store pictures or filesOnboard USB Type-C interface, can be used for power supply and download debugging, convenient for development and useUART and I2C SH1.0 4PIN interface is introduced, and 2 x 14PIN 1.27mm spacing interface is reservedDisplay panel: AMOLEDDisplay resolution: 466 x 466Communication interface: QSPITouch: SupportedDisplay size: 1.43 inchesDisplay color: 16.7MContrast ratio: 60000:1Driver IC: SH8601/C05300Touch IC: FT3168The product appearance and printed words depending on the batch, but this does not affect use.Specification:A:without shellColour:BlackMaterial:PCB+CNCPackage Contents:1 * AMOLED Display KitOnly 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.