This product works okay. Just be aware of the following:1. Somehow it does not support the HDMI (at least not 2 monitors simultaneously); after some period of time, one screen goes black and then comes back to normal repeatedly. I have to unplug from the laptop and then plug it back in.2. I notice that when I "charge" my phone through the USB, both screens go black - which only happens when I plug my phone, and I have to unplug and plug it back.If you have a work space with 2 monitors, a few USBSee full review