product description: Length: 1.8m Interface: standard HDMI A-A Picture quality: 3D video Support 8K, 7680x4320 resolution Support 4K or 120Hz, 8K or 60Hz Static HDR Dynamic HDR Variable refresh rate Fast media switching Automatic low-latency mode Sound quality: support multiple audio streams 32 audio channels Automatic audio and video synchronization 1536kHz audio sampling rate Enhanced audio return channel (eARC) Scope of application: large conference rooms, studios, advertising screens, special cables, and all devices with HDMI interfaces can be connected by HDMI cables. Such as: DVD player connected to high-definition TV, projector high-definition player, computer with HDMI interface connected to high-definition TV, projector, PS3 game console connection. The resolution is up to 7680X4320 144HZ.