Noise cancelling technology confers high fidelity and clear sound. | Bluetooth connectivity ensures hands-free and effortless music transmission. | Flawless design and mastery of sound carefully and precisely designed makes headphone appear to be stylish and sturdy perfectly processed aluminium plats perfects the look of a premium headphone hence delivering unimaginable sound | Handfree profile redial the last call reject call volume adjustablefaster connecting clear sound anti-interference | Listen to mp3 music from cellphone listen to stereo music from pc on line chat through bluetooth wireless transmitter