bout this item Active Noise Cancelling ANC: Advanced ANC technology significantly reduce aviation, crowded and noisy environment. Get away from distracting sounds, and immerse yourself into your ideal music, movies, audiobooks or videos. You can finally listen to what you want to hear and focus on YOU! The noise cancelling feature operates smoothly in both wired and wireless modes. Custom 45mm Large Aperture Drivers: Make the world sound better has always been the central focal point of our audio engineering. Our Custom 45mm powerful drivers of this noise cancelling headphone produce superior sounds with crystal crisp clarity with a well-balanced deep bass response for any type of music you love. Premium Built-in Microphone and Bluetooth 5.0 Technology: By quick-simple pairing with your Bluetooth-enabled devices, the headset then has a stable Bluetooth connection. Efficient stable Bluetooth connection with a high-quality built-in microphone gives you true wireless freedom for all your calls. Making it possible to have clear sounds during your hands-free conversations. These features are a real GAME CHANGER! Light Weight and All-day Comfort: With Natural protein earpads, you will be able to experience marshmallow like softness texture on the headband and ear cushions. The durable 90Degree rotating earcups, makes it easy to adjust the headphone to your preferred fit for all-day comfort. Reminder: It is highly recommended to remove headphones every 1-2 hours, so your ears can relax for a pleasant hearing experience. Keep the Music Going: With 30Hours playtime with a built-in 750mAh Battery, you can now enjoy 30 hours of non-stop music, videos, or movies in Bluetooth mode for long haul flights or travel with a single full charge. You do not need to worry about your wireless headphones powering off mid-flight/mid-trip. 18-Months Worry Free warrant for this item purchased in NEW Condition. Our dedicated Customer Service Team will provide you with friendly services and quick resolution.