This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing?? basic cleaning?? inspection?? and repackaging. The product ships with all relevant accessories?? a minimum 90-day warranty?? and may arrive in a generic box. Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon.com</br>Includes Headphones & Operating Instructions. Comes in Brown Box Packaging.</br>Noise-cancelling technology for up to 95% less noise. Lightweight and comfortable on-ear design</br>30mm drivers for rich?? full frequency response. Swivel design for portability</br>High-energy magnets deliver powerful bass and clear treble. Sony noise-cancelling headphones with 1.2 m tangle-free?? Y-type cord</br><br/>http://www.amazon.com/gp/product/B01M6CW9S2