Portta HDMI Mini Switch/Switcher 4 Port 4x1 with IR Remote support 3D 1080p / 4K Multifunctional on switching : intelligent or mechanical Support 1080P/4K Support highest video resolution 1080p. High performance up to 2.5Gbps. Support 12bit per channel (36bit all channel) deep color. Support uncompressed audio such as LPCM. Support compressed audio such as DTS Digital, Dolby Digital(including DTS-HD and Dolby True HD). Support 3D