This is a 6ft (1.8m) USB 3.1 (C) male to DVI-D Dual Link male to male black adapter cable. It allows your USB 3.1 (C) equipped laptop, smartphone, tablet, or PC to connect to any DVI-D Dual Link equipped display device, such as a monitor or projector. This also allows for 2560 x 1600 (WQXGA) high definition viewing on any HD capable device that is equipped with a DVID-D Dual Link port. Our video adapter cables are backed by a 3 year warranty and are guaranteed to work the first time.