Sennheiser PXC 250 II Collapsible Noise-Canceling Headphones (Discontinued by Manufacturer)

• Connectivity Technology: Wired.

Product Description ------------------- The mark II on-ear collapsible mini headphones are equipped with NoiseGard technolgy to cancel droning, iguing airplane or bus noise. They are also equipped with an in line volume control. From the Manufacturer --------------------- Highly portable, the Sennheiser PXC 250 II noise cancelling headphones allow you to take off and then lose yourself completely when flying. Thanks to high-performing neodymium magnets, the PXC 250-II delivers a powerful, detailed sound with a wide frequency response, plus it's equipped with NoiseGard to screen out intrusive ambient noise. Click here for a larger image ( https://images-na.ssl-images-.com/images/G/01/electronics/detail-page/sennheiser-pcx250II-1-lg.jpg ) . NoiseGard technology cancels up to 80 percent of droning, iguing airplane or bus cabin noise without added bulk or size. They are also equipped with a convenient in-line volume control which enables you to adjust playback volume even when the music player is stowed. They offer a closed, supra-aural design that provides for excellent passive attenuation of ambient noise. The newly-improved battery pack requires only a single AAA alkaline battery, and it lasts up to 50 hours--more than enough for a flight from Tokyo to New York (even taking delays into account). Suitable for all types of modern music, it provides detailed sound reproduction with a slight emphasis on the bass. Other features include a steel-reinforced headband for high durability and included carrying case. What's in the Box ----------------- PXC 250-II headphones, AAA battery, in-flight audio adapter (dual 1/8 inch/3.5mm mono plug), carrying pouch Specifications -------------- * Noise cancelling: Up to 80 percent * Frequency response: 10-21,000 Hz * Sound pressure level (SPL): 112 dB * Ear coupling: On-the-ear * Impedance: 300/160 ohms (active/passive) * Total harmonic distortion (THD): <0.1 percent * Connector: 1/8-inch (3.5mm) * Cable length: 4.9 feet * Power: Single AAA battery * Operating time: Up to 50 hours Compatibility ------------- Optimized for in-flight entertainment systems as well as MP3, iPod, iPhone (iPod and iPhone are trademarks of Apple Inc. registered in the U.S. and other countries) and portable media players. Warranty -------- The Sennheiser PXC 250 II is covered by a 2-year warranty with the backing of Sennheiser's worldwide service network.