Name: USB 2.0 4-port cable (to connect four devices simultaneously without disturbing each other)
* USB2.0 backward compatible with USB1.1 specification
* Support RS232 serial interface DB9
* transfer rate of up to 1Mbps
* Support remote wake-up and power management
* supports four independent RS232 serial port can be connected simultaneously
* suitable for efficient equipment, such as a PDA or Modem
* Support WindowsCE/2000/XP/Vista, Win7, Linux, Mac OS or higher