[dalereed]

They work off of electro magnets in each ear piece.

[April Lexington]

Wow. Thanks for the information. I wish my folk had better technology. Or... maybe it is junk science. Only G-d knows for sure!

[Myrddin]

They work off of electro magnets in each ear piece.

Audio headsets are not a hazard. A cell phone transmits RF at 800 MHz and/or 1.9 GHz. You're shoving a hot transmitter next to your head. There's a reason why handset manufacturers have to pass "SAR" standards. The effects on brain activity are measurable. The jury is still out of how much is too much.