Choose Eris HD10BT headphones and you’ll never again have to choose between quality, convenience, or a robust feature set. Potent 40mm drivers sound offer crystal clear sound and accurate frequency response. Choose wired connectivity for your studio work, or Bluetooth® wireless when you’re on the go—and click on Active Noise Canceling when it’s time to focus. The built-in mic will let you take a call without removing the headphones or messing with a cable. Thick ear cushions ensure serious isolation—your music won’t bother anybody else while you listen in total privacy.