OVERVIEW: The Sony MDR-ZX110NC Noise-Canceling On-Ear Headphones utilize 30mm dynamic drivers to deliver an extended low frequency response of 10 Hz to 22 kHz so you can enjoy all kinds of music on-the-go. Active noise cancellation helps reduce ambient noise by up to 95% or 13 dB so you can listen to your music with minimal distractions. A single AAA battery powers ANC for up to 80 hours of listening before needing to be replaced. The headphones can be used passively, in case the battery is...