What steps will reproduce the problem?
(1)Enable ChromeVox
(2)Touch or <Tab> the subheader in detailed view, eg, "Output" or "Input" in "Audio settings"

What is the expected result?
Spoken feedback for the subheaders, eg {Output} or {Input}

What happens instead?
None spoken feedback

The subheaders may need to add spoken feedback,
1.Header of vpn type. Ex, “OpenVPN/L2TP'
2.Audio, {input} and {output}
3.Network, network type in the detailed view,
eg,{Ethernet}, {Mobile Data}, {Wi-Fi}