"By the power of the ancient words, I invoke the elements to heed my call and realize my words."
Right after Matthew said those chants while holding onto the cylindrical magic items, the symbols written around the glass part of the item started glowing brightly and it stayed that way for about 15 seconds without any changes happening to it.
Matthew thought that the item might be broken because he used the item wrongly or there was some prerequisite prior to using the item, but after waiting another 10 seconds, Matthew found that it wasn't broken at all.
From the glass part in the middle of the item, light began to gush out of the middle of the glass as a circular screen appeared above the glass part of the magic item.