The Insignia 3-Port HDMI Switch is a portable device in black color, designed to connect multiple HDMI sources to a single display. It is compatible with various brands and models, including the Insignia NS-HZ335. The switch supports 4K resolution at 60Hz with HDR capabilities, ensuring high-quality visuals for your TV or monitor. With a compact size of 5 inches in length and 3 inches in width, this HDMI switch is a convenient and versatile accessory for your home entertainment setup.