Bose® - QuietComfort® 20 Headphones (iOS) - Black Sennheiser HD 4.40 BT Wireless Bluetooth Headphones (Black) - Sealed 000 Hz Impedance 120 Ω

000 Hz Impedance 120 Ω Sensitivity 110 dB SPL (1 kHz

5 mm (1/8") Straight Plug (for mobile use)

change a track

recording videos

and activating Siri

Bose® - QuietComfort® 20 Headphones (iOS) - Black Sennheiser HD 4.40 BT Wireless Bluetooth Headphones (Black) - Sealed 000 Hz Impedance 120 ΩProduct Features Acoustic Noise Cancelling technologyMinimizes external sounds for clear, uninterrupted audio. Aware mode lets you remain conscious of your surroundings without removing the headphones. Earbud designThe first in ear noise cancelling headphones from Bose delivers rich, powerful sound. StayHear+ ear tipsFit securely in your ears for comfort during extended listening sessions. In line microphone and remotefor easy switching between calls