I have not had the best luck with wireless headphones. Rock solid on my roof. This item was a gift for Christmas in 2008 and the product did not make it through the year. Those are feedback generators! 5 for the extra room. " I would highly recommend these CROCs Literide sandals. I had no problems getting them programmed but they wouldnt work consistently for me. These are definitely knock off Soda shoes. I upgraded from an AKG 214. Not wide at all.