Panasonic RPHC101K SlimZ Noise Cancelling Super Slim Headphone for $34.97. Shipping is $2.95 for a total of $37.92 shipped. Here is a screenshot for your reference. It features 83% noise reduction, an on/off monitor switch to use as regular headphones, neodimium magnet, and compact travel folding design. Most places have it for about $50.
