There are chatting apps that you can just send voice messages to your friends directly, such as WhatsApp, Facebook Messenger, WeChat, QQ, Skype, etc.

The standard way to send a voice message is:Open the Messages app;Open or start a conversation;Press and hold Mic;Record your message;Tap Send.The advantages of voice message are that it is convenient to use. Compared to typing, all you need to send a voice message is just speaking, saving a lot of typing work. In this way, you can contain much more information through a voice message. At the same time, a voice message is more emotive than a text message, where you can build rapport with the receiver.Voice messages can be converted into a voice call, that is, an automated voice will read out your message. No technical knowledge is required to send a voice message. In most the cases, voice messages only work for plain text and are billed per message rather than per second.
