Loved by many and hated by others, the voice notes in Whatsapp are one of the most popular features of the messenger, either to send short answers or to send extensive audios relating what we want to communicate.
However, one of the difficulties that many users have is that you can not listen to these audios before sending them to your contacts, to know if the recording was correct, you should send the audio and listen later.
Even so, there is a small trick (for Android and iOS) which allows listen to the voice note before sending it to the recipient and this is little known by users.
When you press the microphone button to record a voice note, Slide it until the lock icon appears so you can release your finger and follow the recording.
After finishing the audio, instead of pressing the send button, press the Back button to exit the conversation, for which, subsequently, a small vibration on the phone.
After returning to chat, tothe recorded message will appear at the bottom, which you can listen to and decide whether to send or delete it.