Equipped with high-performance Xtensa 32-bit LX7 dual-core processor, the main frequency is up to 240MHz Supports 2.4GHz Wi-Fi and Bluetooth 5 (LE), onboard internal antenna, reserved solder joints, can be set as external antenna Built-in 512KB and 384KB ROM, stacked 16MB Flash and 8MB PSRAM Onboard 1.43-inch AMOLED display, 466 x 466 resolution, 16.7M color AMOLED screen display uses QSPI interface, touch uses I2C interface, capacitive touch, supports interrupt output Onboard 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 requirements Onboard , BOOT side buttons, BOOT Supports custom button functions, making development and use more flexible Onboard 3.7V MX1.25 lithium battery charging and discharging interface Onboard Micro-SD card slot, can be connected to an external Micro-SD card to store pictures or files Onboard USB Type-C interface, can be used for power supply and download debugging, convenient for development and use UART and I2C SH1.0 4PIN interface is introduced, and 2 x 14PIN 1.27mm spacing interface is reserved Display panel: AMOLED Display resolution: 466 x 466 Communication interface: QSPI Touch: Supported Display size: 1.43 inches Display color: 16.7M Contrast ratio: 60000:1 Driver IC: SH8601/C05300 Touch IC: FT3168 The product appearance and printed words depending on the batch, but this does not affect use. Specification:B:with shell Colour:Black Material:PCB+CNC Package Contents: 1 * AMOLED Display Kit 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.