☀【2 Ports USB KVM HDMI Switch Box】: AVMTON HDMI KVM Switch 2×1 helps you to control 2 computer with only one set of controls and display screen (mouse and keyboard).Powered by USB cables, no power adapter required,with USB 2.0 devices for one button swapping.Saving your space and time, make your work and life much more simple and efficient(Note:please use a wired keyboard and mouse)..☀【Hot Key Switch and Hot Swap Function】Hdmi kvm usb switch 2 in 1 out support three switching methods:host button switch，hot key switch and automatic switching, quickly switch between 2 sources by keyboard (hot key: “Ctrl + Ctrl + 1 / 2”, “Scroll Lock + Scroll Lock + 1 / 2”,"Ctrl+Ctrl+Enter");With hot plug function, you can plug and unplug without turning off the device, easy to operate, and perfect combination with hot keys..☀【Ultra HD 4K Visual Enjoyment】 Supporting high resolution max up to 4K x 2K@30Hz, makes image display more exquisite and realistic. It also supports 3D & 1080P or lower resolution, make the image display more exquisite and realistic,really enjoy you want.Please set your resolution before using it to prevent the normal switching due to incorrect resolution settings.The resolution of the two computers must be set to the same （4K@30Hz or 1080P).☀【Unique Design and Strong Compatibility】 The exterior of the device is made of aluminum material, so it is more resistant to pressure. The host uses high-precision encryption chips, gold-plated interfaces, strong compatibility, fully compatible with HDMI 1.4a, HDCP1.4 and HDMI digital displays. It occupies a small space, is easy to connect, plug and play, no driver is needed, and it brings more convenience to your work and life. (Note: It can also be used as HDMI SWITCH 2 port).☀【Support From AVMTON】AVMTON is a professional manufacturer focusing on HDMI KVM SWITCH solutions. We promise to provide 12 months of worry-free technical support. If you encounter any problems while using the product, please feel free to contact us via Amazon email.