Consider them your go-to headphones, wherever you go. The Bose® QC20 QuietComfort® 20 Acoustic Noise Cancelling Headphones For Android Devices give you more control over how you listen than ever before, in all kinds of environments. Block the outside world with full-on noise reduction. Or, choose Aware mode and let some of it inall while keeping your headphones on and your music alive with lifelike Bose sound. Wherever your day takes you, QC20 headphones keep you connected. To the beat of your music, and the pulse of what's around you.