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. Product colour: Black, Cable length: 3 m, Connector 1: USB Type-A. Quantity per pack: 1 pc(s), Package width: 220 mm, Package height: 200 mm. Compliance certificates: RoHS. Weight: 120 g