C2G 29470 USB 2.0 USB-C to DB9 Serial RS232 Adapter Cable, TAA Compliant, Black (3.28 Feet, 1 Meter) Add serial device support through a USB Type-C port Reversible, symmetrical USB-C connector Compact, lightweight design. Connect a Serial RS232 device to a USB Type-C port Supported Systems-Windows: 2000, XP, Vista, 7, 8, 10 Supported Systems- Mac: OS 8, OS9, OS X (Including Mac OSX 10.8 Mountain Lion). Linux/Android: Kernel 2.4.31 and above