The country’s intelligence agencies have reportedly warned the technology could be used to eavesdrop amid Trump’s Greenland annexation threats Denmark’s intelligence service (FE) has reportedly warned the country’s authorities and police to stop using Bluetooth headphones, citing a heightened risk of eavesdropping amid escalating tensions with the US over Greenland. In a memo circulated late last week and seen by the Ingenioren news outlet, the FE alerted government agencies and police