HTC Desire 310 dual sim User Manual page 86

86 Settings and security
Changing the TalkBack reading speed
The steps below are described using the regular gestures. Use the corresponding
TalkBack gestures if you already have TalkBack turned on.
1. Go to Settings.
2. Tap Accessibility > Text-to-speech output > Speech rate.
3. Select a speech rate.
You can test the speech rate by tapping Listen to an example.