1. 3 ports HDMI input, 1 port HDMI output 2. 1 x USB port output support USB charge 3. Compliant with HDMI2.0, HDCP2.2 and DVI 1.0 4. Support 4k*2k@30Hz with 24bit RGB/ YcbCR 4:4:4/YCBCR 4:2:2 5. Support up to 4k*2k@60Hz with 12bit YCBCR 4:2:0 6. Supports LPCM 7.1CH, Dolby True HD, and DTS-HD Master Audio 7. Supports smart auto switch function 8. Supports HDMI with PIP 9. Supports IR and Panel button control