[HDMI Splitter 1 in 4 out]Mirror One Source to Four Displays This 1x4 HDMI splitter duplicates a single HDMI input signal to four identical outputs simultaneously, ensuring all connected screens display the same content. (Note: Does not support extended/independent display modeseach screen will mirror the same image.) [Plug and Play]Easy Plug & Play Setup Simply: 1 Connect the included USB power cable (required for stable operation). 2 Plug your HDMI source (e.g., Blu-ray player, Fire Stick) into the input port. 3 Attach up to 4 displays (TVs, monitors, projectors) via HDMI cables. 4 Instantly duplicate your content across all screensno drivers or software needed! [4Kx2K UHD High Resolution]4K Ultra HD @30Hz & Full HD Support Delivers crisp 3840x2160p resolution (4K@30Hz), with backward compatibility for 3D, 1080p@60Hz, 720p, and 480p. Advanced Audio Formats Supports DTS-HD, Dolby TrueHD, Dolby Digital (AC3), DSD, and more for immersive sound. [Wide Compatibility]Universal Compatibilit