1Features and Usage: USB to TTL serial converter module, using excellent for FT232 chip, served for USART equipment applications that require communicating with external devices through USB 2Compatibility: This serial module is compatible with USB 2.0 speed and standard, providing communicating from the controller to the PC through USB, greatly improving transmissing efficiency and quality 3Efficient and Secure: Using chip conversion scheme, low level up to 0V; Equipped with multiple guard functions including short circuit, overcurrent, and high voltage, ensuring secure and reliable use 4Supporting System: This serial adapter module supports for Win11 10 8 7, for OS X, for Linux, for Android, and other system, with strong compatibility and a baud rate range of 300bps to 3Mbps 5Convenient to Use: This serial port module has a simple structure and compact design, making it convenient to use, store, and carry, and suitable for more communicating application scenarios