The underwater cathedral when the battery is low is produced by the special effects voice changer magician music software. It is a very fun and easy-to-use special effects voice changer for mobile phones. The cracked version of Special Effects Voice Changer Magician has no paid functions. It unlocks advanced functions and can be used directly after opening it. After recording with your mobile phone, you can change your voice by selecting special effects. It also supports saving and sharing. and make ringtones.