The Bose QuietComfort SE are premium over-ear wireless headphones that deliver Bose’s legendary Active Noise Cancellation (ANC) and critically-acclaimed high-fidelity audio. Engineered for all-day comfort and featuring a choice of Quiet Mode (full noise cancelling) or Aware Mode (full transparency), they offer up to 24 hours of battery life. The SE model is functionally identical to the QuietComfort 45 headphones, with the key distinction being that it comes packaged with a soft carry case