Abstract: A pair of digital eyeglasses, including the following components: a left temple, a right temple, a left display device, a right display device, a left infrared transmitter, a right infrared transmitter, a left infrared receiver, a right infrared receiver, a head angular velocity detector, a torso angular velocity receiving interface, a processor, a memory, and a power supply. It allows the user to rapidly and accurately operate the pointer with the head and to output the image information into broad, three-dimensional space.