instructions to activate voice chat 13+: https://en.help.roblox.com/hc/en-us/articles/4405807645972-Spatial-Voice-
Community Rules: https://en.help.roblox.com/hc/en-us/articles/203313410-Roblox-Community-Rules
Important fact
To activate the voice chat is not to lie with age, it is necessary to be 13+ or you can risk your account or something, please be 13+