Koss QZPRO Specifications

- 40-20,000 Hz frequency response offers a full range of deep bass and treble clarity for ultimate sound quality and reproduction
- Soft vinyl closed ear cushions create a tight seal around ears and reduce ambient noise
- Active noise reduction technology eliminates unwanted low-frequency noise, creating a peaceful listening environment
- Fully-collapsible design makes headphones perfect for travel
- Extra-soft, padded headband delivers lightweight comfort for extended listening sessions
- Approximately 30 hours of continuous play
- Includes a 4 foot, single-entry straight cord and two-prong airline adapter
- Covered under the Koss Stereo phones Limited Lifetime Warranty