Features: Brand new and high quality Efficient transmission: The data is converted into TTL signal which can be used for serial communication through USB to realize fast and stable data transmission. Simple and easy to use: Simply connect to a computer or other equipment through a USB, and you can realize simple serial communication. Reliability: PL2303 chipset is adopted, which has excellent signal conversion and stability, ensuring high-quality data transmission. Multifunctional design: In addition to serial communication, it also supports functions such as flow control, debugging and programming to meet the needs of different users. Small and light: The compact design makes the product easy to carry and use, and it is convenient for users to communicate through serial port in different scenes. Specifications: Material:PCB Type:Micro USB/Mini USB/Type A/Type C Package Includes: 1x USB to TTL Adapter note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.