Shut off the outside world with MDR-NC6 noise canceling headphones. Ambient sound can be reduced over 10dB at 300Hz, which means you'll hear more music, and less plane/train/bus noise. Noise canceling headphones are great for work, traveling, or even when you're trying to sleep in a loud place. The MDR-NC6 have a slim swivel folding design, making them more compact for storage. Includes plug adaptor to connect directly to a stereo or dual jack of in-flight music services. 

Features:

• Noise Canceling Headphones reduce ambient noise, and provide a quieter environment to enhance audio entertainment. Ambient sound is synthesized with an anti-sound signal produce by the noise canceling circuit, and reduced (Over 10dB is reduced at 300Hz) 
• Slim Swivel Folding Style for easy storage. 
• Ambient sound is synthesized with an anti-sound signal produce by the noise canceling circuit, and reduced (Over 10dB is reduced at 300Hz). 
• Neodymium Magnets are used to deliver powerful sound 
• Operates as Passive Headphones when noise canceling circuit is not activated 
• Plug Adaptor is supplied to connect directly to stereo or dual jack of in-flight music services. 

Specifications:

Audio 
• Sensitivity: Power On: 106dB/mW; Power Off: 104dB/mW 
• Impedance: Power On: 20 ohms at 1kHz; Power Off: 65 ohms at 1kHz 
• Frequency Range: 10 dB at 300 Hz 
• Noise Reduction: 40 - 1,500 Hz
General 
• Type: Open air, dynamic 
• Driver Unit: 38mm diameter, dome type 
• Magnet: Neodymium 
• Frequency Response: 30-15,000Hz 
• Headphones: Adjustable; Foldable (Swivel)
Power 
• Power Handling Capacity: 100mW 
• Battery Life: Alkaline: Sony LR03/AM-4(N) Approx. 30H; Manganese: Sony R03/UM-4(NU) Approx. 15H
Weights and Measurements 
• Weight: 5.29 oz (150g) 
• Dimensions: 7 1/64 x 2 1/64 x 9 1/64 in
Supplied Accessories 
• Carry Pouch 
• Inflight Plug Adapter
Optional Accessories 
• AAA Battery