Features: Featuring the chip, this USB converter delivers stable data transmission, eliminating driver conflicts and systems crashes for high reliability embedded development applications. With intelligent double voltages switching supporting 3.3V and 5V , it seamlessly integrates for microcontrollers without requiring external converters, ensuring effortless compatibility. Ideal for embedded developers and electronics hobbyists who prioritize precise and reliability in their microcontroller based projects. Perfect for scenario like firmware flashing, drones debugging, or robot tuning where data accuracy and robust performances are essential With full signals pin access enhances portability and versatility, making it indispensable for diagnostics and complex electronic integrations. Specifications: Component: PCB Size:Approx.16x34mm/0.63x1.34inch Option Type:1pc USB Module Red,3pc USB Module Red,5pc USB Module Red,1pc Type c Module Red,3pc Type c Module Red,5pc Type c Module Red,1pc USB Module Blue,3pc USB Module Blue ,5pc USB Module Blue; Features:Chip,CMOS ,RXD/TXD communication light, Package Includes: Package A 1pc USB Module Package B 3pc USB Module Package C 5pc USB Module note: Please allow 1-3cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.