There has been a prompt tone since the WeChat voice was minimized.

Does the subject want to ask, "What is the reason for the prompt sound after the WeChat voice is minimized?" ? Wechat is using a microphone.

There has been a prompt tone since the voice of WeChat is minimized, because WeChat is using a microphone, so it can be turned off. Select Settings on the WeChat page of my mobile phone, enter the Settings page of WeChat, and then click New Message Reminder.

After entering the new message reminder page, click the new message system notification. After entering the new message notification page, turn off the ringtone of the new message notification page and turn off the WeChat prompt tone.