StarTech.com 10ft (3m) USB to Null Modem Serial Adapter Cable, Interchangeable DB9 Screws/Nuts, COM Retention, USB-A to RS232, FTDI, Level-4 ESD Protection, Windows/macOS/ChromeOS/Linux - Rugged TPE Construction Cable length___30.5 m Built-in speaker (with adjustable volume)

Built-in speaker (with adjustable volume)

• Maximum Data Transfer Rate: 11

Laptop Battery for Apple 76

Driverless Hub for Windows and Mac

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StarTech.com 10ft (3m) USB to Null Modem Serial Adapter Cable, Interchangeable DB9 Screws/Nuts, COM Retention, USB-A to RS232, FTDI, Level-4 ESD Protection, Windows/macOS/ChromeOS/Linux - Rugged TPE Construction Cable length___30.5 m Built-in speaker (with adjustable volume)INTERCHANGEABLE NUTS & SCREWS: Secure the adapter to a serial device using the pre installed DB9 screws, or install the included DB9 Nuts for compatibility with serial peripheral devices cables; Add a null modem RS232 port to a computer using a USB A port LED INDICATORS: Transmit and Receive LED indicators offer real time monitoring of port activity, while the USB LED indicates when the adapter is successfully recognized by the desktop or laptop