Like what function does it serve??

The hologram is the glare on the hair of a Sex bot, it can be disabled with a module that is fashionable to buyon bigdaddy's website

It can tell us her "Emotions" and indicate when she is "Thinking" or "Processing" something on her mind.

It's fine to take it off. But look how beautiful she looks with them! 🤩Find this Mod and many more on the game's Discod:mod-releases-0-87-11