Supports a variety of chips including ESP32, ESP8266, and many styles, adapting to various use requirements. Multi-functional integration with JTAG debugging capabilities, allowing users to debug online through the JTAG interface for more convenient development. Offers stable transmission speed and high efficiency during the download process, reducing download time and improving work efficiency. Good compatibility with official development environments such as for IDE and ESP-IDF, as well as with other environments like PlatformIO and OpenOCD. The ESP-Prog-2 program downloader is a versatile development and debugging tool that facilitates automatic firmware downloading, serial communication, and JTAG debugging. It supports automatic firmware downloading and serial communication for ESP8266, ESP32, ESP32-S2, ESP32-S3, and ESP32-C3, while JTAG debugging is available for ESP32, ESP32-S2, ESP32-S3, and ESP32-C3. Color: As Shown Material: PC Package Contents: 1*ESP-Prog-2 Program Downloader 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.