Don Tangle bluetooth headphones with mic Comfortable wear  3 earbud sizes, designed to be comfortable for anyone, are included in the package. Both your phone and MP3 player  Don Tangle headphones can be paired with two devices at the same time. Don Tangle headphones can be paired up with any Bluetooth audio device. Clear music  Bluetooth in 4.1 + EDR ensures the highest standard for listening to music, in the highest possible quality. No missed calls  thanks to a built-in microphone, you can easily make phone calls with the Don Tangle headphones. Complete freedom  no long cords all the way to your pocket. Put your sweater on or take it off without hassle, with no cord in your way.