Function Seven:
Space Transfer.
Through space folding technology, performing spatial traversal.
Function Eight:
Recording.
This isn't so much a feature as it is a diary. Each bracelet owner has created a document, leaving their words behind. However, one can tell each person's personality from the number of words they left; some are chatterboxes, noting every little thing, while others are reticent, not leaving a single word and only leaving an empty document.
However, Chu Yu couldn't open the earliest document.
It was password protected.
"This is shameless." Upon the sixty-seventh failed attempt to crack the password, Chu Yu exhaled deeply and stretched out her hand to the side, "Tea." A white porcelain cup was promptly placed in her hand, with tea of just the right warm and clear temperature.