NOISE CANCELING: Immerse yourself in a world of sound with the Sony ULT WEAR over ear headphones wireless, featuring noise canceling technology and built-in Alexa for effortless voice control. BASS AMPLIFIER: Experience the intensity of sound like never before with these over the ear headphones, equipped with the ULT button that amplifies your bass for an extraordinary audio experience. COMFORT DESIGN: These over ear headphones are crafted with a unique thermo-foaming design, providing soft cushions that comfortably adapt to your ears. As head phones, they guarantee maximum comfort and superior sound quality. TRAVEL-FRIENDLY: Travel-friendly, these headphones feature a swivel fold design and come with a compact carry case, making them easy to pack in your bag. ECO-FRIENDLY: More than just superior sound quality and comfort, these headphones are also eco-friendly, constructed with recycled plastic material and packaged without plastic. LONG BATTERY LIFE & QUICK CHARGING: Up to 30-hours battery life with quick charging (3 min. charge for up to 90 mins of music)(USB Type-C Cable included)