USB to HDMI adapter can connect PC images to TV, monitor, and projector with HDMI interfaces through the USB interface.- USB HDMI converter can not only synchronize the two monitors, but also expand the computer desktop with an additional display to improve work efficiency.- Whether it is a USB3.0 or USB2.0 port, it can support 1920 x 1080 resolution.- It supports hot-plugging. After installing the driver on the computer, you can use this HDMI adapter at any time.- usb to hdmi adapter cable comes with 12 months unconditional return and 36 months warranty.