How do you make the best headphones from Bose even better? You give people access to voice control with the simple push of a button. QuietComfort 35 wireless headphones II are now Alexa-enabled. So not only do you enjoy the world-class noise cancellation and acoustic excellence Bose is known for, you also have the ability to play music, get information and so much more. Just download the Amazon Alexa app and follow the instructions to set up and pair your device. Then hit the Action button and say the word. Plus, you’ll be free from wires with easy Bluetooth pairing and voice prompts to walk you through every step of the process. Or connect to your device using NFC or the Bose Connect app. Premium materials add durability and make for a comfortable fit. And up to 20 hours of battery life from a rechargeable lithium-ion battery will let you keep the music playing all day—or flight, train ride, study session—long. There’s also the power of choice among three levels of noise cancellation. Use the settings in the free Bose Connect app to choose your preferred level of noise cancellation and completely block out the world around you, or let in some noise to remain aware of your surroundings. Available in Black or Silver. Included: QC35 headphones II, carrying case, charging cable, audio cable for enjoying music without battery power. Troubleshooting : Headphones don’t connect with your mobile device : Check the state of the status indicators. Disconnect the back-up audio cable. Disconnect the USB charging cable Disable the Bluetooth feature and then re-enable. Delete your Bose QuietComfort wireless headphones II from the Bluetooth list on your device. Connect again. Move your mobile device closer to the headphones and away from any interference or obstructions. Trouble connecting another mobile device : Clear the headphone pairing list and connect again Headphones don’t connect using NFC : Check the state of the status indicators . Make sure your device supports Bluetooth connecting via NFC. Unlock your device and enable the Bluetooth and NFC features. Tap the NFC touchpoint on the back of your mobile device to the NFC touchpoint on the headphone.