Boost your listening experience and reduce undesirable ambient noise by 87.4 percent with the MDR-NC7 noise canceling earphones. Including a hassle-free, foldable and swivel design, these earphones are perfect for travel or the daily commute.The MDR-NC7 reduce approximately 87.4 % (9 dB at 300 Hz) of ambient noise when the noise canceling circuit is turned on, suitable for loud, noisy environments like planes, buses, dormitories, etc.Connector Type 1 x Headsets (Mini-phone stereo 3.5 mm ).
Noise canceling headphones: cuts ambient noise
30mm driver units
Power: AAA x 1 battery (Alkaline, not included)
Battery Life: up to 50 hours
Plug: Gold-plated L shaped Stereo Mini