In Katherines words?
"Audio log created by Katherine Gervase in regards to the Mark five Miniature Gauntlet Reactor Band, this device can be worn by most individuals and works as a mobile power supply, with enough room to be modified to hold a shielding package that includes a line shield, as well as a projection shield... Going away from the notes, this is a smaller version of the larger devices that can be found on the suits, which are the far smaller version of the main building, this shielding package contains attachments that allow for an energy entropy shield to be cast across the wearers self, while the projection shield is a basic physical shield made of the same energy, just cast into a physical plate similar to the Gryphons, this device has in it enough stored and created energy to power multiple metropolitan areas by itself, much less small equipment, in terms of issues, the same rules apply, don't over work the machinery, and it won't attempt to explode, fail safes are in place in the event something goes wrong, if those don't work, god help you, because you're probably losing that arm, that's severely uncommon though, the band itself is made of Dradium plating, while the inner ring for comfort is a retractable fiber mesh, similar to what's used in the suits, doesn't chaff, temperature resistant, doesn't slide around and comes with adjustable controls to fit the band to your wrist, this particular model is 9 and a half inches for the internal ring, not counting the mesh, it can be reduced farther via adjustment controls in a panel on one side, over all, speaking from experience, wearing on is comfortable, though cumbersome in certain activities, it's pros far outweigh the cons."

This is what Kate was wearing in the previous image~