Beats uses lithium battery without memory function, as long as the power is low, it will automatically alarm and shut down, even if it is left for one month after shutdown, it will be charged, but this will affect the battery life. If it is not used often, it should be fully charged before being put away, and used at least once a month. The case of insufficient charge should be the use of the charger or charging line is not up to standard, normal charging using the charger of the mobile phone can be charged, the lamp should be red when charging, after full power will appear blue or red light off. It usually takes 3-4 hours to fill.