Beautiful Spoiler: a Virtual Gaming?

Neuro Linker, Accel World Wiki

Neuro Linker of Haru (Accel World) by RafaelTacques on DeviantArt

Neuro Linker Prop (from Accel World) by nimaruichi on DeviantArt

Neuro Linker by pzykosiz on DeviantArt

Between these two gadgets I'd say Neuro linker :D

Burst Linker, Wiki Accel World

Gonna try and explain if this might be possible with my VERY basic understanding of technology currently (explained in the comments btw!) : r/BoFuri

Hints of neuro linker? - Imgur

Neuro - Liquipedia - The StarCraft II Encyclopedia

Twenty Nine: the birth of a Neuro-Linker and Nerve gear (based on