The Zhusuan, or China's abacus, has seven rods with seven beads on each rod. Despite its small size, the gold ring works as a counting tool, allowing people to make quick calculations. It's a smart ring from the 17th-century make into a wearable abacus today, as seen in this footage from Malacca, Malaysia on September 17.

The Zhusuan, or China's abacus, has seven rods with seven beads on each rod. Despite its small size, the gold ring works as a counting tool, allowing people to make quick calculations. It's a smart ring from the 17th century wearable abacus to today.

The beads of the abacus ring are very small with a diameter of less that 1mm. The beads move smoothly along the gold rods.

According to China Culture, the beads could not have been moved with one's fingers. “It seems that the beads can only be moved by small tools such as pins. However, this is no problem for this abacus’s primary user — the ancient Chinese lady, for she only needs to pick one from her many hairpins.

Nowadays people didnt wear abacus ring for calculation, but just for jewelry. Chinese people believe by wearing abacus gold ring can bring money luck to the person who wore it.