1, open Xiao Ai's classmate application, and then click the avatar on the upper right.

2. After clicking, select the option of Xiaoai Lab.

3. After entering, click the option of timbre setting.

4. After clicking, you can see that there are three timbres to choose from. Click the timbre to be replaced.

5. After clicking the check box, you can use the newly set timbre when using Xiao Ai.