Features: 1.4K High Definition Display: HD Multimedia Interface to VGA supports HDTV monitors or projectors with resolutions up to 4K ultra HD (1920x1080 60HZ). Watch HD video on a large screen or projector with this HD Multimedia Interface to VGA connector, and both ports can be used simultaneously. Large screen, higher definition, more visual effects, bring you more wonderful 2.Adapter Compact: ABS housing, powerful chip, stable flicker free, solve flicker, distortion, glint and other problems affecting picture quality. Gold plated plug, corrosion resistance, high efficiency heat dissipation, less wear, more durable. Lightweight and compact, pocket size, easily fit into the pocket of a laptop bag 3.Dual Port: The adapter connects HD Multimedia Interface compatible devices to VGA compatible monitors, projectors, and TVS. Projection is more portable. Plug and play, no driver installation, dual screen display, support for Win XP,for Win7 ,for Win8 ,for Win10,for OS X and other systems, convenient and fast, improve efficiency 4.Synchronous Transmission: Output 3.5mm stereo voice frequency , can be connected to speakers, earphones, power amplifier and other equipment. Watch movies without fear of silence. Supports synchronization. Power supply interface design: To avoid the impact of insufficient power supply, plug in the power adapter when connecting the HD Multimedia Interface port to low power devices 5.Power Supply Interface Design: To avoid the impact of insufficient power supply, plug in the power adapter when connecting the HD Multimedia Interface port to low power devices specification:Item Type: HD Multimedia Interface Adapter Color: Black Material: ABS Function: HD Multimedia Interface to HD Multimedia Interface VGA Allocation Scope of Application: Projector, TV, Can Be Connected to Speakers, Headphones, Power Amplifier and Other Equipment PackageList:1 x Adapter 1 xVoice Frequency Cable 1 x USB Cable