【Price Not Negotiable】 Used for about a year, and the battery hasn't deteriorated significantly. Can be used for a long time. Items marked with ❌ are not included. QuietComfort 45 headphones Bose QuietComfort 45 headphones wireless headphones noise canceling Bluetooth connection All items in the photos are included. Functionality confirmed, near-mint condition. This is a used item that has been in someone else's possession. Please refrain from purchasing if you are sensitive to used items. QuietComfort 45 Headphones Iconic Quiet, Comfort, and Sound Bose's iconic noise-canceling headphones have evolved. World-class quiet, lightweight and comfortable design. And deep, clear sound with proprietary technology. The QuietComfort 45 headphones are not just a design upgrade. They achieve a perfect balance of quietness, comfortable fit, and quality sound. The Beginning of Headphones Noise Canceling Acoustic noise canceling is the technology first adopted in the original QuietComfort headphones. The QC45 features six microphones, including additional external microphones, and advanced signal processing. It effectively cancels out unwanted noise before it reaches your ears. Enjoy full noise canceling in Quiet mode. Select Aware mode to hear the surrounding sounds. High-Fidelity Audio The acoustic structure delivers deep, rich sound. Active EQ, optimized for volume, delivers balanced performance regardless of the volume level.