Designed for mobile professionals, this BluetoothÂ®-enabled headset is engineered to provide superior sound and comfort. Smart Sensorâ„¢ technology senses if you're wearing the headset, so it knows when to send calls to your headset and when to pause streaming audio during calls. Advanced AudioIQ2â„¢ noise-canceling technology excels in windy or noisy places, delivering exceptional audio to you and your caller. Voice alerts announce talk time, volume and connection status. Dual microphones with adjustable boom provide optimal voice capture. A2DP technology streams audio for music, podcasts and GPS navigation.