USB to HDMI adapter 4k : HDMI Splitter for Dual Monitors to drive dual 4K@60Hz HDMI displays using a USB-A, can expand 2 independent displays through USB 3.0 port. 4K@60Hz RESOLUTIONS: USB 3.0 to Dual HDMI Adapter with support for resolutions up to 4K 60Hz and widescreen capabilities, you can use our product to improve the monitor resolution when your computer host resolution lower, this 4k hdmi splitter delivers a full visual effect. HD RESOLUTION OUTPUT: This USB to HDMI adapter can output 2 3840*2160@60Hz resolution HD images at the same time, and can also output a 3.5mm stereo, Connect the headphone or sound-system to the L/R port of the adapter, (Note: When connecting the 3.5mm jack, OUTA and OUTB will not output sound)Connect the 3.5mm microphone to MIC port of adapter, better to speak at office meetings and let the sound spread throughout the meeting room. MIRRORING & EXPANSION MODE: With minimal footprint, this Type-A to HDMI Adapter synchronously mirror or obtain different images the screen of the computer to two independent displays for display, it also becameType-A to HDMI Converter, Type-A to HDMI Video Splitter increase your productivity by adding extended or mirrored displays to your workstation at the office/home office.