SPECIAL DESIGN: HDMI IC location in the bridge help enhance the signal and support video stability. Active cables boost signal quality and last longer than passive cables. This product is supported with a 2 YEAR warranty. Please contact us if you have any questions. EASY TO USE: Plug-n-play with non-directional plug design allows a reversible plug-in orientation. It is bus powered for extra portability; No external power adapter needed which makes it a great cable to bring when travelling. Works with USB-C MacBook Pro / MacBook, iMac, Surface Book 2, Pixelbook, Galaxy Book, and Chromebook. MULTIPLE MODES: Allows mirror, extended or primary display modes working in conjunction with your system's graphics adapter. Stream your gaming, movies, and sports from your mobile devices (Samsung Galaxy S9/S9 Plus/Note 8/Google Pixel). HD RESOLUTION: Supports High Definition (HD), Full HD (1080p), and Ultra HD (4K@60Hz) resolutions and 7.1ch sound to your HDMI display. Supports Thunderbolt 3 technology and USB-C with DisplayPort Alternate mode. CONVERTER & CABLE: Easily add a 4K HDMI display to most Thunderbolt 3 technology or USB-C DisplayPort Alt enabled computers, laptops and Ultrabooks. Note: The USB-C source connection must support DisplayPort Alternate Mode in order for the adapter to pass video and audio.