Features: brand new and high quality [Unidirectional 3 In 1 Out 8K HDMI-compatible Switch]new upgraded HDMI-compatible switch 3 in 1 out, connect 3 HDMI-compatible sources to one display, allowing you to switch between different devices with one for key. (Please pay attention that this switcher is not a bi-directional switcher,you can only use from three source to one display,but you can not connect from one source to three displays,only 3 in 1 out,not 1in 3 out.) [Automatically Switch Signals] The HDMI-compatible switch box uses the most advanced chip and has far superior performance. A compact body and stylish appearance can bring you a great experience. In addition, there is a built-in automatic recognition program, which can automatically switch to the latest plug-in device without pressing a button, making it more convenient for you to use. [8K Video Audio Transmission]This HDMI-compatible switcher Support 8K 60Hz, 4K120Hz Resolution, ultra-high bandwidth which can transmit video and audio data with ultra high speed, make your home theater has a cinema-like audio-visual effect. [Aluminum for Shell &]The multi-port switch is made of a high-quality aluminum alloy for shell that has excellent heat dissipation performance. [ Widely Compatible]for input device: for / , Computer, Laptop, 4K 8K Blu-Ray Player, Roku Streaming Stick, Fire Stick, for Apple TV. Output devices: 8K TV, monitors, projectors, and other 4K/2K displays etc. Specifications: Input: HDMI-compatible x 3 Output: HDMI-compatible x1 Resolution: Up to 4K 120hz 8k60Hz Power supply: 5V for DC Transfer Speed: 40Gbps Power: 100W Cable: USB 4 Size: Mixed Color:Black Material:Aluminum Alloy Package Includes: 1 PC x 3-In-1-Out Switch 1 PC x USB Charging Cable 1 PC x User Manual note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.