Special feature headphones; noise cancelling headphones connectivity technology wireless wireless communication technology bluetooth, near field communication brand bose color triple midnight please read and keep all safety and use instructions. warnings/cautions • do not use the headphones at a high volume for any extended period. – to avoid hearing damage, use your headphones at a comfortable, moderate volume level. – turn the volume down on your device before placing the headphones in/on your ears, then turn the volume up gradually until you reach a comfortable listening level. • do not use your headphones while driving for phone calls or any other purpose. • do not use the headphones with noise cancelling on at any time the inability to hear surrounding sounds may present a danger to yourself or others, e.g., while riding a bicycle or walking in or near traffic, a construction site or railroad, etc. – remove the headphones, or use the headphones with noise cancelling off and adjust