【HDMI Switch 3 in 1 out】: With the UGREEN HDMI switch, you can easily stream video from 3 HDMI sources to 1 HDMI display. (This HDMI switch frees you from plugging and unplugging HDMI cables, protecting your ports and cables, so you can easily enjoy work or play games between three devices. 【4K High Resolution】: Supports HDMI 2.0/1.4, HDCP 2.2/1.4, and is backward compatible with resolutions up to 4K@60Hz and 4K@30Hz, 2560*1440@120Hz, 1920*1080@240Hz, allowing you to immerse yourself in incredible viewing. It also supports HDR10/HDR10+, 3D, RGB 8/10/12bpc, Dolby Atmos, and DTS, delivering cinematic, stunning visuals and clear, thrilling surround sound. 【Fast and Stable Transmission】: This HDMI switch with remote supports high-bandwidth 18Gbps data transmission, and the USB power supply design ensures stable video transmission and better performance, allowing games to run smoothly and speeding up data transmission. Always keep this UGREEN 4K HDMI switch connected to a power source when using it. Unopened item, but Package has some dirt. Stored at home by a private individual, so Please understand before purchasing. No warranty provided.