Auto Ringtone Volume: Make your ringtone volume become alive and let him change in an adaptive way, with "Adaptive Ringtone Volume" your ringtone will play at the right volume according to background noise. No need to change the ringtone volume anymore, if the room is quite the ringtone volume becomes quite if the room is noisy the ringtone volume becomes louder.Your ringtone will play at the right volume at the right place!