The connected cups are particularly intriguing as examples of them have been seen before—the ones found at the new dig site are believed to have come from Syria, due to their design. Though there is scant evidence of their use or purpose, archeologists generally believe, the researchers report, that they were likely cultic objects. Because of the newness of the site, the artifacts have not yet been tested for residue analysis—Sometimes "experts" simply 'overthink' things.
Obviously, they are primitive ear protectors, aka headphones.
Images from left to right, top to bottom: Bes figurine, the ‘Lady of Burna’ figurine, nose from a mask, unique triplet vessels connected to each other, Egyptian scarab. Credit: The Tel Burna Excavation Project. -
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http://www.ancient-origins.net/news-history-archaeology/bronze-age-cult-complex-discovered-judean-foothills-baal-109283#sthash.n0Iu8gTJ.dpuf