The DP-3M is a DisplayPort cable with a length of 3 meters. It's designed to transmit high-quality audio and video signals from a device with a DisplayPort output to a monitor, projector, or another display device with a compatible input. This cable is suitable for various applications, including connecting a computer to a monitor or a laptop to a larger display for presentations or multimedia purposes. With a length of 3 meters, it offers flexibility in setting up your devices while maintaining reliable signal transmission.