Voice Changer for Loudspeaker

What's the Voice Changer for Loudspeaker?
Voice Changer for Loudspeaker is a widget that can change voice pitch and echo in realtime, which can be used for calling, voice chat, video conferencing and games.
What's the feature of the Voice Changer for Loudspeaker?
*Phone works as Microphone - the Phone can send the sound to earphone, speaker, mobile phone, PS4, XBOX and PC.
*Phone works as Speaker - the Phone can play the sound from microphone and headset.
*Modify voice Pitch in realtime.
*Add voice Echo in realtime.
How to work?
*Connect to microphone, speaker or other device.
*Turn on Microphone or Speaker mode.