Bose Quiet Comfort 45 Headphones Color White Smoke A Certified Refurbished product is one that’s been returned to Bose, for any reason. It’s then thoroughly inspected, tested, and serviced to meet strict Bose sound quality standards — the same as a new product. Appearance is closely examined; products occasionally have minor, nearly imperceptible blemishes. All Refurbished products have the same warranty as new products, and are available only from Bose. Quantities are limited. There’s comfort in quiet. You can feel it the minute you put them on. The soft, plush cushions seal you in. You press the button and whoosh — the world fades, the music starts, and it’s love at first listen. That’s the power of our QuietComfort 45 Headphones with signature active noise cancelling technology and premium comfort. Bose QuietComfort 45 Headphones also deliver proprietary acoustic technology for deep, clear audio with adjustable EQ so you can tune your music to your liking. They're wireless headphones with a perfect balance of quiet, comfort, and sound you’ll enjoy all day long.