use USB3.0 going to watch their HD movie through their laptop 1,USB3.0 input 2,HDMI output 3.Rohs

How much the possibilty for future laptop users with USB3.0 going to watch their HD movie through their laptop?

Connecmax's this product is designed to support Full HD 1080p at 2048×1152 resolution, have the backward compatibility to USB2.0 interface. It offers convenience of USB3.0 to HDMI and will include a single HDMI output cable. the HDMI output cable could also be utilized for extending existing display, with up to 4x VGA2788 adapter could be used at the same time.

USB 3.0 to HDMI converter