You feel it the minute you put them on. The perfect balance of quiet comfort and sound. The original noise cancelling headphones are back with world-class quiet shockingly light materials and proprietary technology for deep clear sound. QuietComfort 45 headphones. It?s an icon reborn. Proprietary Acoustic Noise Cancelling technology produces the true quiet you need to hear every detail of your music in high fidelity. Or choose Aware Mode to hear your music and your environment at the same time. TriPort acoustic architecture and Bose innovations like Volume-optimised Active EQ add depth and clarity to your music while maintaining balance at any volume. And materials such as synthetic leather and glass-filled nylon were meticulously selected for comfort and durability. The headphones give you 24 hours of listening time* and charge via the included USB-C cable. Bluetooth 5.1 maintains a strong connection to your device and the Bose Music app guides you through setup lets you personalise settings and keeps your headphones? software up to date. Noise cancelling wireless headphones ? The perfect balance of quiet comfort and sound. Bose uses tiny mics to measure compare and react to outside noise cancelling it with opposite signals. High-fidelity audio ? The TriPort acoustic architecture offers depth and fullness. Volume-optimized Active EQ maintains balanced performance at any volume so bass stays consistent when turned down and the music remains clear when turned up. Package Weight: 0.68 kg Country of Origin: Thailand