Product photography, A device that can display time, but instead of a traditional analog or digital clock, it uses a progress bar to display the length of time. Möbius loops, time loop theory. Lightweight and compact, there is no sense of disobedience on the desktop, and it can be integrated with the environment. At the same time, it can remind people of the time through the luminous progress bar. --s 250 --style raw --v 6.0