PREMIUM SOUND - Q Adapt features Libratone's Signature Sound Profile designed to provide a full range of sound, delivering more bass than other Bluetooth wireless headphones as well as full midrange and crisp treble. Q Adapt comes with a protective carrying case and USB-C charger..Connectivity Technology: Wireless NOISE-ISOLATING MICROPHONE - The built-in noise-isolating microphones allow you to take phone calls in any environment wirelessly, while the active noise cancellation minimizes background noise. Immerse yourself in your favorite music and lose the noise. Earcup diameter- 2.4 inch 4 LEVELS OF NOISE CONTROL - CityMix ANC headphones let you choose how much of the world you want to let in and out. The 4 levels of ANC are powered by 20+ hours of battery life and let you customize your listening. Q Adapt takes only 3-4 Hours to fully charge.