The Philips SHN2500 Active Noise Cancelling Headphones are compact and reduce unwanted noise by 70 percent and creates a perfect seal for sound and significantly reduces background noise.

The Philips SHN2500 Active Noise Cancelling Headphones can be warn in front or around the neck, and has a split cable design with adjustable slide grommet.

The Philips SHN2500 Active Noise Cancelling Headphones works on 40-20,000 Hz frequency and features a 3.5 inch adapter and a 60 inch cable and is powered by a single AAA battery. The Philips SHN2500 Active Noise Cancelling Headphones is available from Woot for a price of just $7.99.