A wireless audio and video transceiver device that can wirelessly connect HDMI devices such as computers, video cameras, set-top boxes, Nintendo Switch, Xbox, mobile phones, and Steam docks with large-screen devices such as TVs, projectors, and monitors. It solves the disadvantage that audio and video need to be connected using HDMI cables. The device can achieve a wireless transmission distance of 50 meters and has a display resolution of 1080P. It supports up to 8 transmitters with 1 receiver, making it suitable for conference scenes and collaborative operations.