Connect two additional 4K 60 Hz displays to your Mac or PC through a single USB (Universal Serial Bus) 3.0 port. This USB (Universal Serial Bus) to dual Display Port adapter lets you add two 4K 60 Hz Display Port monitors to your Windows or Mac computer. The adapter lets you use a single USB (Universal Serial Bus) 3.0 port on your laptop to output dual 4K resolution at 60 Hz to two independent displays. Simply plug the adapter into a USB (Universal Serial Bus) 3.0 (5 Gbps) port on your Windows or Mac system & connect your Display Port monitors to the adapter. The adapter lets you enjoy the picture quality of Ultra HD video across multiple screens, even if your system doesn't natively support 4K video output. With two UHD 4K displays, you can work more efficiently & accomplish more in the same amount of time. With each display delivering 4K performance, you can have four times the screen space compared to 1080p. With multiple displays, you can output different content on each display at resolutions of up to 4096 x 2160p (60 Hz). The dual Display Port adapter is ideal for business applications such as spreadsheets, word processors & web browsers. You can multitask & preview different data points across each display. For instance, you can calculate data on one display, write a report on the second display, & browse the internet on your laptops display.