✓?QUALITY ASSURANCE?If You Have Any Questions of HDMI Cable 75,please Contact Us Through And We Will Provide Professional After-sales Service And Online Response With In 24 Hours. ✓?PLEASE NOTE? HDMI Cable 75 Feet with built-in signal booster is Directional,Input end needs to be connected to input devices such as Blu-Ray player, PS3,PS4, Xbox One,Xbox 360, AV Receiver etc.Output end needs to be connected to display devices such as Computer,HDTV,Projector or other HDMI-compatible device Display. ✓?High-Quality with Signal Booster 4k HDMI Cables?75 Feet HDMI Cable made Of Gold-plated Connector And Chrome-plated Aluminum Alloy Shell,Three Layers Of Shielding Layer,Unique Tmds Technology Ensure Signal High-Speed.The Built-in Signal Booster Can Intelligently Recognize the Signal and Amplify It to Ensure Stable Signal Transmission and Reduce Signal Loss. ✓?High Speed 4K Hdmi Cable?HDMI over Ethernet Supports 3D Audio Return Channel (ARC) to Synchronize Sound and Picture without Delay.The Highest Audio Sampling Rate Of 1536KHZ.32 Audio Channels To Provide Multi-dimensional And Immersive Audio Experience.Supports Surround Stereo Sound.CEC Extension Enable A Single Remote Control To Control Multiple Devices Connected To The HDMI Interface. ✓?Long HDMI 2.0 Cable 4K?Long 75 Foot HDMI Cable Supports 4K@60Hz (4:2:0)/4K@30Hz 1080P@60Hz (4:4:4),Backward Compatible 2K@120Hz/60HZ/30HZ 1080p 720P,Use 21:9 Aspect Ratio Provides A New Experience Of Wide-angle Theater.Provides Mirror Mode,Extended Mode And Game Interactive Mode.