welcome to the Bose Noise cancelling headphones.That is your correct choice.
1.You can turn on noise cancelling to reduce surrounding distractions and focus on your music. Or choose Aware mode to continue enjoying your music while also hearing what’s going on around you .
2. The proprietary Stay Hear+ tips create a soft, secure fit – with no need to force them into your ears
3.Up to 16 hours of use with the rechargeable lithium-ion battery.
4.Compatiable for iPhone, iPod and iPad