4K HD Video Smart Two-way HDMI Switcher

1. 4Kx2K HD 3D visual effects, simultaneous audio and video transmission 2. Two modes, two-way conversion, connect 2 devices at the same time, share a display 3. Signal amplification, long-distance transmission, can reach a total distance of 20 meters 4. Metal shell, anti-interference, fast heat dissipation, durable 5. Gold plating process, stable contact 6. 3 HDMI ports, thick gold-plated layer design, so that the device connection enhances the contact, and the transmission is stable