Why you need this HDMI switch Stop swapping cables. Connect up to three HDMI source devices to a single display and switch inputs manually to play the device you want. Preserve video quality. Supports HDTV deep colour, 4K (3840x2160) at 30Hz and 3D video so connected sources deliver their intended picture. Simple setup with no extra power brick. The switch draws power from connected HDMI source devices and works plug-and-play. Key benefits and problem solved Convenience: One box consolidates multiple HDMI devices so you avoid constantly plugging and unplugging cables. Compatibility: Works with common HDMI sources and displays that support HDMI 1.4 features including 4K@30Hz and 3D. Reliability: 24k gold plated HDMI connectors resist corrosion and help maintain stable signal transmission. Main features 3-port HDMI switch: 3 HDMI inputs and 1 HDMI output for connecting multiple HDMI source devices to a single display. Manual selection: Choose which input is active without re-cabling. HDMI 1.4 capability: Supports HDTV deep colour, 4K resolution (3840x2160) at 30Hz and 3D video. Plug and play: No external power adapter required; the unit receives power automatically from connected HDMI sources. Gold plated connectors: 24k gold plating on HDMI input and output connectors to reduce tarnish and improve signal performance. Compact design: Small footprint for easy placement near TVs, monitors or AV racks. Compatibility and performance Compatible with HDMI-equipped devices such as Blu-ray players, game consoles, streaming boxes, set-top boxes and HDMI-capable laptops. Designed to preserve high-definition video and 3D formats supported by HDMI 1.4-capable devices and displays. Manual switching keeps operation simple and predictable for home and small office use. Practical use scenarios Living room home theater: Connect a game console, Blu-ray player and streaming device to a single TV and switch manually when guests arrive or when you change activity. Small conference room or classroom: Hook up multiple laptops or media players to one projector or display to quickly change presenters without replugging cables. Bedroom or secondary TV: Add multiple sources to a TV with limited HDMI inputs and keep a tidy setup without a power adapter. What’s included and what to expect 3 HDMI inputs, 1 HDMI output with 24k gold plated connectors. Simple manual switch operation; no external power supply included or required. Works best when used with HDMI devices and displays that support the specified resolutions and formats (HDTV deep colour, 3840x2160@30Hz, 3D). Technical summary Ports: 3 HDMI in, 1 HDMI out Video support: HDTV deep colour, 4K (3840x2160) at 30Hz, 3D video Power: Powered via connected HDMI source devices (plug and play) Connectors: 24k gold plated HDMI input and output This HDMI switch is a straightforward, reliable solution to expand a single display’s inputs and maintain the video formats supported by HDMI 1.4 devices.