What is the watch in Apple 13? Why did you send a text message?

The watch in Apple 13 refers to the smart watch Apple Watch introduced by Apple. This watch has many functions, one of which is texting.

Apple Watch has an independent communication function, which can be directly connected to a mobile phone or connected to other devices via Bluetooth or Wi-Fi network. So you can send and receive text messages directly with Apple Watch.

In addition, Apple Watch has other functions, such as running timing, heart rate monitoring, music playing and so on. These functions are realized by built-in sensors and processors, which can bring more convenience to users.