How does Iflytek x3pro wake up by voice?

How can Iflytek x3pro wake up by voice? See the figure below:

1. First open the settings on the desktop of Iflytek x3pro, and then click an auxiliary function on the settings page to enter.

2. Next, click the voice control option to enter, and then click an item under the voice wake-up voice control page.

3. Secondly, click the switch on the right side of voice wake-up, and then you can start to input wake-up words. Say the wake-up word three times to enter successfully.

4. Finally, click to start the experience and wake up the voice assistant of the mobile phone by saying the wake-up word.