Sony MDR-ZX100 Stereo Headphone for $9.99 shipped.  To get free shipping, you simply need to sign up for Staple's rewards program, which is free and easy.  Here is a screenshot for your reference. The headphone has a noise-reducing design, leatherette cushions, standard 3.5-mm plug, and 12Hz to 22kHz frequency response.  Most places have it for about $19.