This is a newly designed product uses the CH340G chip produced by Nanjing Xinheng Company.The CH340G provides a convenient solution for connecting a RS232-like full-duplex asynchronous serial device to any universal serial bus (USB) .The CH340G is perfectly with win XP/VISTA/7/8/8.1 systems and can emulate on operating systems, allowing existing applications based on ports to be easily ported and USB connected without having to rewrite The port software applies a port.The Cable Mainly used in MCU serial communication, can be used in 51 SCM, AVR MCU (such as FOR ), ARM (such as FOR ) and other application scenarios.Four-color terminal wiringRED: 5VBLACK: GNDGREEN: TXWHITE: supply voltage: 5VTTL level: 3.3VBaud rate: 300-115200Weight: 25g (+/-2g)Condition: NewType: Voltage RegulatorApplication: Computercolor:As shownMaterial:plasticsize:Length: about 1mPackage Contents:5 x Ch340g Download CableOnly the above package content, other products are not included.Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.