B00931S9GY Sony MDR-NC8/W White | Noise Canceling Headphones (Japanese Import)

Active Noise Canceling – Designed to reduce up to 90% ambient noise when noise canceling circuit is activated
30mm Driver Units – 30mm drivers with neodymium magnets deliver powerful bass and clear treble
Designed for Comfort – Designed to allow for comfortable wearing over long periods of time
Dual Folding Design – Compact for portability yet affording listening flexibility, the dual-folding design affords for easy portability
Battery Life – A single AAA battery provides up to 80 hours of listening time