[How to use] - Run the app. - Set the reminder song. - Connect the charging cable. -(Example) Set the fill level to 80%. -(Example) When it reaches 80%, the charge notification song is played. [function] - Notification song setting function (with ringtone) - Battery alert level function - Battery overload notification when charging - Healthy charging function. - Battery temperature notification when charging - Battery charge history - Notification when the charging cable is disconnected [Directions for Access Permission] Here are instructions on access privileges used by apps: ■ Essential access permissions - none ■ Optional access rights - Storage (Photo/Media) This permission is required to designate a ringtone sound after searching for a song (mp3) file in the mobile phone. If there are no songs on your phone, you don't have to agree.