Sabrent USB 2.0 to Serial Converter Cable - 9 Pin DB 9 RS 232

Upgrade your Windows Laptop, Windows Desktop, Windows tablet (Except Windows RT), Mac, Macbook, Macbook Air Macbook Pro and more. Improve productivity when you multiply your screen space with one or two high resolution external monitors. The sturdy stand holds the tablet upright to provide an additional display With today's technology comes portability. Connect all your accessories & peripherals through a single USB cord. Now with one simple USB cord, you can have access to up to two Full HD displays (HDMI and DVI I) for mirroring/extending your desktop to external monitors, as well as Gigabit Ethernet network data, microphone, speakers, external hard drive, optical disk drive, printers, USB keyboard, mouse and many other USB devices. 2 Ports Highly Integrated USB 3.0 Inputs Taking advantage of Super Speed USB 3.0's bi directional throughput, The DS RICA gives you the ability to connect up to two additional USB 3.0 ports. 2 Ports USB 2.0 Inputs Expand by connecting up to two USB 2.0, or 1.1 devices Great for printers, USB keyboard, mouse and many other USB devices. 2 USB Charging Ports Two additional charging port (2.4A) offers enough current to charge either a smartphone or a tablet at high speed. Multiple Display Monitor With the HDMI, DVI ports and VGA adapter, you can connect multiple monitors in HD 1080P allowing you to multi task and Important Information about macOS 10.13.4 update: We have become aware that installing macOS release Version 10.13.4 will cause DisplayLink connected displays to go blank after the OS upgrade, with the current DisplayLink driver [4.1] installed. Functionality such as Ethernet and audio, where implemented, is unaffected. We have alerted to this issue and are working hard to find a resolution. These features continue to work as expected in 10.13.3.