• Equipped with renowned noise-canceling technology: Combines advanced calculations and physical sound insulation to create a silent wireless headphone in a quiet environment, isolated from surrounding noise The noise-canceling feature creates moments where you can enjoy music with your whole body • Premium Fit: Soft ear cushions that gently fit your ears are perfect for long listening sessions The headband, which includes some steel for strength and optimal feel, provides a firm fit and comfortable wearing experience The bottom of the band features a soft protein leather-treated foam, allowing you to wirelessly enjoy comfortable and stylish wireless headphones • Two listening modes: This wireless Bluetooth headphone features Quiet Mode and Aware Mode, allowing you to easily switch between complete noise cancellation and a level where you can still perceive ambient sounds • High Fidelity Audio + Adjustable Equalizer: This wireless headphone offers high fidelity (Hi-Fi) audio and an adjustable equalizer, allowing you to emphasize bass, fine-tune treble, and balance mids for the sound you desire • All-day battery life: The Bose QuietComfort wireless headphones offer up to 24 hours of continuous playback on a single charge Plus, a 15-minute quick charge provides up to 2.5 hours of playback