The option to send voice messages was already a part of the Whatsapp software but the developers have made the option more clear in a recent update. Through voice messaging you can record a spoken message and send this to a contact or a group. In the chat window an option will appear to play the sample.
If a contact has listened to the voice message the microphone in the message will turn blue.
Press the microphone to record and send voice messages.
Click on the icon next to the textfield to activate the microphone. If your contact has listened to your voice message the microphone will turn blue.
Press the microphone in front of the textfield. Use this to record and send voice messages.
Press space on your keyboard. If you want to cancel sending the message press the “hang up” button on your phone.
To record and send a voice message press on the microphone button. If you want to cancel sending the message press the “hang up” button on your phone.