Supports 98, me, 2000, XP, MacOS 8.6 or higher. CD with drive It supports usb1.0 / 1.1 specification and is compatible with USB2.0 size: 0.6m Material:plastic colour:Blue Package Contents: 2 x Data Cable Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. It can also be used in barcode reading equipment, telephone, mobile phone, digital camera, modem, ISDN and other terminal adapter communication. It is mainly used to configure and use the console port of router, switch and other industrial control equipment. (this ordinary machine can be used, but large machines can't be used) It can solve the problem of notebook and desktop without 9-pin 232 serial port. Set the USB to 232 serial port line used by the console port of router switch (passed the test by MS HyperTerminal, SecureCRT and other configuration software) It is characterized by good compatibility (other low-grade products on the market have incompatibility problems among various devices, so it is difficult or even impossible to use them after buying them back. It takes time and energy and costs more money. You will know once you have experienced it),