TelephoneStuff.com Sony Noise Canceling Earbud Headphones MDR-NC22BLK

Sony Noise Canceling Earbud Headphones produce quality sound in a compact and comfortable style. Earbud Headphones Features: - Sony headphones - Noise canceling (can reduce noise by 75%) - Bud-style - 13.5mm driver units produce powerful sound: drivers sit just outside the ear with the tip of the earbud small enough to fit into the ear canal for additional comfort, secure fit and sound blockage - Perfect for tuning out noise at work, traveling, or even when you are trying to sleep in a loud environment - Noise canceling circuit actually senses outside noise with built-in microphones and sends an equal-but-opposite canceling signal to the headphones - Convenient monitor switch located on the battery box: switch turns off the noise canceling feature (red power LED off) and silence the music. Ideal for listening to quick announcements, flight attendant, or any external sound without the need to take the headphone out. Power button just turns the noise canceling feature but do not turns/silence the music off. - In the ear design fits comfortably inside the ear, eliminating headbands - Small battery box for AAA battery - Convenient passive feature allows the headphone to function as regular stereo headphones without battery (noise canceling not activated) - Battery life (approx.): 50 hours with alkaline battery - Battery type: 1 AAA battery - Plug: L shaped stereo mini plug (gold) - Includes AAA battery, pouch, inflight plug adapter, ear pad, 3 sets of earbud cushions (S, M and L), warranty card - Black