Posted by a reviewer on Amazon

As mentioned in description and questions it will only output 1 signal at a time and is not bidirectional

Posted by a reviewer on Amazon

I use a surface pro 3 as the benchmark for these devices some dont work without waking up the port

Posted by a reviewer on Amazon

Cons can not use multiple displays at the same time did not really expect to be able to since the conversion to different signals but just wanted to mention it for those who are looking to daisychain multiple displays from one adapter

Posted by a reviewer on Amazon

All three modes connect with no effort to a mac computer

Posted by a reviewer on Amazon

Cheaply made and broke too quickly

Posted by a reviewer on Amazon

But can not find my lg 219 monitor

Posted by a reviewer on Amazon

I have been able to extend and mirror my screen from both mac and windows machines

Posted by a reviewer on Amazon

I use my macbook for my work sometimes and it is almost impossible to work with single screen when i do my work related projects