USB to HDMI adapter Connect a PC or laptop with a USB 3.0 2.0 connection to an HDTV, projector or monitor with the HDMI connection for a second monitor. Output high quality HDMI video signals, support audio and video synchronization. HDMI cable is sold separately. 1080P supported for USB 3.0 and USB 2.0, HD video resolution up to 1920x1080P@60Hz and 3D display support. The same applies to USB 2.0. Support for displaying 1920 x 1080P at 60Hz on screen when connected to a USB 3.0 or USB 2.0 port. The adapter is compatible with Windows XP, Windows 7, Windows 8 8.1, Windows 10. (not support MAC VISTA). Mirror and Extend Mode The USB to HDMI converter has 2 modes. Mirror mode displays the same images, giving you a better visual experience. Extended mode expands your work area to up to two additional monitors, a TV or a projector via the USB interface. Perfect for gaming entertainment, home theater, video conferencing, etc. High stability and super speed: The USB 3.0 port is equipped with an advanced chip that provides stable signal transmission. The gold-plated connector resists corrosion and wear and improves signal transmission performance. Super Speed ??USB 3.0 supports data transfer rates up to 5Gbps.