1.ULTRA HD RESOLUTIONThe 3port HDMI switch supports up to 4K (3840 * 2160)@30Hz, ultrafull HDR resolution and 3D. Its Audio formats support LPCM, DOLBY AC3, DTS7.1, and Direct Stream Digital. Bringing you an audiovisual feast of definition and pleasant sound. 2.THREETOONE CONVERTERAllows 3 HDMI input sources to 1 HDMI output monitor, easy switching with one click. There is no need to change cable ports frequently, making it easier and faster to use to meet your different needs. 3.STABLE AND FAST OUTPUT The connection port is made of upgraded 24k gold plating, which is corrosionresistant and durable to achieve faster and higherperformance transmission. HDMI switch can effectively resist interference, reduce data transmission loss, and make image transmission more stable and smooth, allowing you to easily run video games or work smoothly. 4.PLUG AND PLAYThe HDMI switch does not need to be plugged in for power, nor install any drivers and software. It will automatically obtain power from the source device, plug and play. The LED light can clearly show which port is in working status. You can experience the cinematic effect at home.