StarTech.com USB 3.0 to Dual 4K HDMI Adapter

INCREASED PRODUCTIVITY: The USB 3.0 to Dual HDMI Adapter lets you mirror or extend your display, using multiple apps at the same time by adding two independent HDMI monitors to your laptop using a single USB 3.0 port HIGH RESOLUTION SUPPORT: Add astonishing picture quality through the USB 3.0 port of your computer by adding support for video resolutions of up to 4K at 30Hz NO POWER SUPPLY NEEDED: Connect the 4K UHD dual monitor adapter directly to your computer without the need for an additional power supply. Memory - 64MB WINDOWS ONLY: This USB 3.0 to Dual HDMI Adapter is only compatible with Windows operating systems and does not support MacBook devices. Operating Temperature: 0°C to 40°C (32°F to 104°F)