Sony MDR-NC22-WM

No matter where you go, enjoy peace and quiet with the MDR-NC22 noise canceling headphones. These compact and comfortable bud-style headphones can reduce noise by 75%, and the 13.5mm driver units produce powerful sound. Perfect for tuning out noise at work, traveling, or even when you are trying to sleep in a loud environment. The noise canceling circuit actually senses outside noise with built-in microphones and sends an equal-but-opposite canceling signal to the headphones. Additional features include an in-flight adapter, compact battery box and it even comes with a carrying pouch.

• High quality noise canceling
• Up to 75% (12dB at 200 Hz) ambient noise reduction
• 13.5mm drivers EX type for improved sound quality
• Compact battery box (AAA battery included)
• Built-in monitor switch for quick on/off operation
• L shaped stereo 1/8" (3.5mm) mini plug (Gold)
• In-flight adapter, and carrying pouch included

Specifications:

• Sensitivity:  102dB/mW (when the power is on), 100dB/mW (when the power is off)
• Frequency Response:  8-22,000Hz
• Impedance:  20 ohms at 1kHz (when the power is on), 8.5 ohms at 1kHz (when the power is off)
• Power Handling Capacity:  50mW
• Battery Type:  1 - AAA battery
• Battery Life:  Up to 50 hours with alkaline battery

Supplied Accessories:

• 1 AAA Battery
• Carry Pouch
• Inflight plug adapter
• 3 different size ear gaskets to fit all size ears (S x 2, M x 2, L x 2)