This is not necessarily, depending on the frequency of use and charging frequency, taking AirPods pro2 as an example. The headset and battery compartment are fully charged. The headphones can be used for 4.5 hours, and the charging bay can be recharged more than four times. The comprehensive battery life is about 20 hours. Refer to use for 2 hours a day. When used 26 times a month, the overall efficiency of the battery will decrease by about 10% in 2 years.