Nokia BH-905i Bluetooth Headset - Black Bluetooth-enabled headphones for music and mobile conversation; twin speech microphones Hear clear music and calls with multi-microphone noise cancellation for blocking out noise on planes, trains, and more Great comfort with adjustable headband and soft supra-aural ear pads; wear wireless or wired with a wide range of music players Up to 15 hours of talk time with active noise cancellation (24 hours of talk time without noise cancellation) What's in the Box: headset, charger, carrying case, user guide, and wide array of cables and adapters