"It can't for various technical reasons." Doing that would either require headphones or built in speaker somewhere inside his skull. Or implants transferring the data directly to his brain, but since the mad cyborg went mad, due to malfunctioning brain implants... suffice to say, that's the part of Genos that got minimal tampering with. "But even with the external vision input malfunctioning, I still should be able to see the information, as long as the optic nerves are not destroyed..."

And they are not, since he still got full face. Which only causes to confuse him further.

"The hit didn't connect anywhere in their vicinity..." He should start seeing again by now, but, well nothing. His hand reaches where Saitama's is, covering it for a short moment, until Genos takes it away awkwardly.

"Was the skull breached?"