4K HDMI Splitter 1 in 2 Out Mirror Display Not Expand, Dual HDMI Splitter Hub to Dual Monitors Multi-Scree Displays Audio Synchronization, Compatible for MacBook Laptop Desktop PC Graphics Card TV. Supports up to 4K resolution and 30Hz refresh rate, compatible with 2K 60Hz, 1080P 60Hz, 720P 60Hz.
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