This device will extend your laptop with up to two external monitors. It originally works with DVI ports, but I used DVI-HDMI converters and connected my monitors using HDMI cables, and it works perfectly. Everything I’m including is original, and I am also including the two Amazon Basics DVI-HDMI converters with the device. I used this with a 2015 Macbook Air with macOS Monterey 12.6.7; I believe it is compatible with older or new versions as long as the computer has USB-A and Thunderbolt 2 ports. It also works Windows OS. The device was manufactured in August 2019 and bought in April 2020. The device still works perfectly; I just recently upgraded my computer and no longer have those ports. I used it with two 1080p Acer monitors, and it was able to refresh both monitors at 60Hz. You can see the specs and other details on their website video.matrox.com or Google the device name: Matrix DualHead2Go Digital ME.

Let me know if you have any questions!

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