1.Equipped with ESP32-S3R8 high-performance Xtensa 32-bit LX7 dual-core processor, the main frequency is up to 240MHz 2.Supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE), onboard antenna 3.Built-in 512KB SRAM and 384KB ROM, stacked 8MB PSRAM and external 32MB Flash 4.Using Type-C interface, it improves the user's convenience and device compatibility 5.Onboard 2.06-inch capacitive touch HD AMOLED screen, 410x502 resolution, 16.7 M color, can clearly display color pictures. Built-in CO5300 driver chip and FT3168 capacitive touch chip, use QSPI and I2C C interface communication respectively, do not occupy too many interface pin resources Onboard QM18658 six-axis inertial measurement unit (3-axis acceleration, 3-axis gyroscope), can detect motion posture, step counting and other functions Onboard PCF85063 RTC chip, connected to the battery through AXP2101, to achieve uninterrupted power supply Onboard PWR, BOOT two customizable side buttons, convenient for custom function development using buttons Onboard Micro-SD card slot, providing extended storage, fast data transmission and flexibility, suitable for data recording and media playback, simplifying circuit design The benefits of using AXP2101 include efficient power management, support for multiple output voltages, charging and battery management functions, and optimization of battery life Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use. Color: Black Material: ABS Package Contents: 1 x Watch Touch Development Board 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.