Why can the Apple Watch receive WeChat messages even though Bluetooth is not turned on on the iPhone?

According to the current functions of the Apple Watch, if your Apple phone does not turn on the Bluetooth function, it is impossible for the watch to receive text messages. This is because the Apple Watch currently cannot implement independent App intelligent operation functions. ,

When Apple Watch is disconnected from the phone (turn off Bluetooth and WiFi on the phone), the following Apple Watches can be used:

1. Completely normal: clock, world clock, Alarm clock, stopwatch, countdown, settings.

2. Basically normal: heart rate, fitness, fitness activities.

3. Calendar (can be opened, but only previously synchronized information can be viewed) .

4. Maps (previously downloaded maps can be opened, but new maps and positioning cannot be opened).

5. Music (you need to press the screen hard, select AW as the source, and at the same time AW must be paired with a Bluetooth headset before it can be used).

6. Phone (can browse address book and call history, but cannot make and receive calls).

7. Information (can browse , manage previously received messages, but cannot receive and send messages).

8. Email (can browse and manage previously received messages, but cannot receive and send messages).

9. Weather (you can browse previously synchronized weather information, but cannot refresh it).

10. Passbook (you can see the vouchers that have been synchronized to the watch, but cannot synchronize new vouchers).< /p>