Pioneer SE-NC21M Noise-Cancelling Headphones $71.97 with Free Postage

On Pioneer web site as Deal of the week. 14 in stock
Not a headphone expert, just putting it out there.

• Type Fully Enclosed Dynamic Headphones
• Frequency Response 10 - 22,000 Hz
• Impedance 145 O (on) / 44 O (off)
• Sensitivity 92 dB (on) / 95 dB (off)
• Driver Unit Diameter 30 mm
• Plug 3.5 mm 3P mini-plug (gold plated)
• Cable Length 1.5 m
• Features
  
  • Reduces approx. 90% of ambient noise
  • Enjoy 120 hours of noise cancelling from a single manganese (alkaline) AAA battery
  • Soft fit headband cushion
  • Glossy finish
• Accessories
  
  • Carrying case
  • In-flight plug adaptor
• Weight (without cord/battery) 120