The SpeechSynthesis interface of the Web Speech API is the controller interface for the speech service; this can be used to retrieve information about the synthesis voices available on the device.
VMLogin client -> Create new /Edit "Browser profile" -> Navigator API -> Turn on "Set SpeechSynthesis API" -> Click on the corresponding button to set or manually add the required value.
We can use Browserleaks detection website to detect the Speech Voices list.
![](https://www.vmlogin.us/help/wp-content/uploads/2022/12/en-8-7.png)
![](https://www.vmlogin.us/help/wp-content/uploads/2022/12/en-9-5.png)