Usage Tips:?? Compatible with HDMI DeviceThis HDMI splitter cable is suitable for connecting HDMI-compatible device (HD DVD, Blue-ray DVD, Xbox360, PS3, STB, Laptop, Sony HDTV).?? Wide CompatibilityGold-plated connectors can stabilize signal transmission. The HDMI splitter cable is ideal for connecting HDMI-compatible device (HD-DVD, PS3, Laptop, HDTV) to two visual output devices (TV, projector, monitor, LCD TVs, plasma display, rear projection micro screens, digital TV).?? Support HD imageHDMI male plug-in splitter cable 2 HDMI female connectors, clear video transmission, high-resolution images, support 480i, 480p, 720p, 1080i, 1080p.?? Warm TipsOnly one output device will be active at a time. If you only need one output device display, please do not plug the other HDMI port. If these two HDMI female ports are plugged in, even if there is only one HDMI cable to connect the display, it can not work, because the signal output is not normal, there will be no video, flash.?? NoteDoes not support HDCP and MACBOOK. Does NOT work on TV/cable boxes (eg. Roku, Ap-ple TV box, etc.)