The function is as follows: 1. Alkaline water: water claims that ordinary water can be converted into weakly alkaline water. It is said that alkaline water is beneficial to human health, which can balance the pH in the body and promote metabolism.

2. Small molecule water: The water cup claims to make water cluster smaller, make water more easily absorbed by the human body, and thus improve water utilization efficiency.

3, negative ions: water glass will release negative ions, which is said to be beneficial to the human body, can improve sleep and relieve fatigue.