Noise Cancelling Headset with Mic SB49

The Koss SB49 Noise Cancelling Headset with Microphone and Volume Control is designed to deliver high-quality sound with an 18-20,000 Hz frequency response and designed with oxygen-free copper voice coils. Features: The large, closed ear cups with soft, leatherette ear cushions deliver a comfortable fit which is perfect for extended and repeated use. The in-line volume control is conveniently located on the cord makes it easy to set a comfortable sound level. The adjustable headband makes it a great fit for students in different age groups.  18-20,000 Hz frequency response delivers a full range of sound to bring games to life Oxygen-free copper voice coils improve signal transmission and conduction for crystal-clear sound Volume control on the cord makes volume adjustment easy Soft leatherette ear cushions envelop ears without pressure for long-lasting comfort CVT noise-reduction microphone eliminates excessive background noise for greater ease of use with PC voice applications, such as speech recognition Independent 3.5mm plugs for easy headphone and microphone connection Folds up for compact storage and convenient travel Covered under the Koss Stereophones Limited Lifetime Warranty