The Monoprice Blackbird™ 4K USB-Powered 1x2 HDMI® Splitter allows you to distribute 4K UHD HDMI video from a single source to two high-resolution displays. Rather than using a proprietary AC power adapter, which can get lost in a move and which requires an open AC power socket, it uses a basic USB connection for its power. This allows you to use a standard USB wall charger, a USB charger integrated into a power strip, or an open USB port on your smart TV or Blu-ray Disc™ player. It supports all HDMI video resolutions up to 4K @30Hz, as well as high-definition, multichannel audio.