Speak your message while holding the button; releasing it will the clip.
Facebook voice messaging, integrated into Messenger, allows you to send audio clips up to long to individuals or groups. It is a popular alternative to typing for hands-free communication. How to Send a Voice Message Facebook Voice Message
Click the (you may need to grant browser microphone permissions). Click Record to start and Pause/Stop when finished. Preview the message by clicking Play , then click Send . Advanced Features Speak your message while holding the button; releasing