[Product Information]

ULTRA HD MULTI-TASKING: Enable 4K video output from your computer system to a HDMI-enable monitor. The Nekteck USB A 3.0 To HDMI 4K Adapter allows your system to output 4K video even if your system doesn't have native support for 4K video output. NOTE: The adapter needs 10-17sec to set up when it connecting with devices. Screen flashing is normal when it setting up.
BACKWARD COMPATIBLE: While the USB 3.0 to HDMI Adapter is designed for USB 3.0, it's backward compatible with USB 2.0. If connected through USB 2.0, the performance may not be satisfied on resolutions above 1080p due to the limitation of USB 2.0 bus bandwidth.
DISPLAYLINK 4K PLUG AND DISPLAY CERTIFIED: It is built with DisplayLink's latest high performance DL-5500 chipset. It automatically downloads and installs the most up-to-date drivers for you, so you won’t have to.
OS COMPATIBILITY: The Nekteck HDMI 4k Adapter is compatible with Windows 10/8.1/7/Vista/XP and MAC OS X 10.11/10.10/10.9/10.8 (audio and video) 10.7/10.6/10.5 (video only); Currently NOT COMPATIBLE with MAC OS 10.12 Sierra (update your display driver if your system is older than Win7 and can’t work find)
EXCELLENT IMAGE QUALITY: It supports resolutions up to 3840x2160/30Hz (16:9 ratio), 3440x1440/50Hz (21:9 ratio), 2048x1536/60Hz (4:3 ratio), 2560x1600/60Hz (WQXGA) (16:10 ratio), 2560x1440/60Hz (16:9 ratio), 2560x1080/60Hz (21:9 ratio)