Enjoy rich, detailed sound with enhanced bass response without inconvenient cables and cords. Bluetooth wireless capability lets you listen to audio from up to 30 feet away, while the padded headband and ear cushions make extended listening a pleasure. Extra long life rechargeable battery provides 43 hours of continuous use. Built-in echo-canceling mic allows you to have wireless phone calls and a remote control on the earcup puts track control, play/pause, answer/end calls and volume control within easy reach. Voice prompts enhance user experience with Bluetooth pairing and interface confirmations. Voice activation lets you access Siri and Google Voice to make phone calls, listen to music, set reminders and more.