The best way to distract Kyle from whatever was distressing him was to make sure he had something else to think about. So David took the glasses off and handed them over. It wasn't like Kyle would be able to mess with any of their functions.

"Not from home, but rather the last world that had me."

Which meant these ones were the ones he had remade when he had gained technopathy. They worked for him because he interfaced with them directly.