In the video, a person is using a computer to design a ring. The person is using a software program to create a 3D model of the ring. The ring is blue in color and has a smooth, curved shape. The person is seen using a mouse to manipulate the design and make adjustments to the ring's shape. They are also using a keyboard to input measurements and make precise adjustments to the ring's size and dimensions. The person's fingers are visible as they interact with the software, making fine adjustments to the ring's design.