Battery charge sound alert

When the battery level set by the user is reached, a charging notification song is played.

Also It will be notified by music when the battery has a full charge.

[main function]

- Alarm song setting function (with ringtone)

- Battery alarm level setting function (if set to 80%, alarm at 80%)

- Battery temperature alarm (overload, etc.)

- Volume control function.

- Vibration function

- Set the 'Do Not Disturb' time.

- Voice notification function (TTS).

- Battery status warning function

- Battery level display function at the top of the screen.

- Battery Widget support (3x1 & 4x2 size).

- Earphone detection function (replaced with PUSH notification when earphone is in use)

- Battery charge history