Features: This is a newly product that use the CH340 chip. The CH340 provides a convenient solution for connecting a RS232 like asynchronous serial device to any universal serial bus (USB) host. The CH340G is perfectly for 98//7/8/systems and can emulate on most operating systems, allowing existing applications base on COM port to be easily ported and USB connection without having to rewrited COM The port software applies a traditional COM port. The cable mainly used in serial communication, can be used in 51SCM, ARM and other application scenario. for Ideal USB debugs cord for Vendor re-write, router, flash firmware on hard drive, etc. Specifications: Component:ABS Color:Black Length:Approx. 100cm/39.37 inches Package Includes: 1Pc Download Cable note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.