Alongside their comfortable fit and excellent sound, Mangino also highlighted their battery life in her review, saying "Being able to wear them all day is one thing, but having them run all day is equally important. These are reliable headphones. When I wear them for a couple of hours per day, I can go a couple of weeks without charging them."
Figure 4: ZQCL (Source: Micron Datasheet)
，这一点在PDF资料中也有详细论述
# 设置用户密码（设置一个安全的密码）
pub struct User {