Never miss a beat. Stereo speakers pump your favorite tunes and alert you to incoming calls. You decide whether to rock on or mute the music to answer the call directly from the headphones. Easy to use. Control volume or tracks easily with a turn of the headphone wheels. The left side controls the phone, the right your music. Clear Voice. Speak your mind even in noisy environments using the echo and noise-reducing, wind-resistant microphone. Groove on the Move. Approximately 17 hrs listening from a single charge. Pair with a compatible Bluetooth enabled stereo phone to combine your music and mobile into one device. Carry less while you experience more.