BlueAnt - Q3i Black BT4.0, Voice Control Bluetooth Headset RICH VOICE AND AUDIO: With rich voice and audio, this headset delivers the best sounding conversations available. SIMPLE ONE TOUCH CONTROLS: Simple one touch controls so answer, end or access Siri/Google Now*. CALLER ANNOUNCE WITH VOICE ANSWER: Caller announce with voice answer so you always know who is calling without taking your phone out. PROTECTS AGAINST WIND NOISE: 6th Generation Voice Control and DSP providing intuitive control and exceptional noise isolation and echo cancellation and Wind around 3.0 wind protection so you can have a call ever in harsh conditions UP TO 8 HOURS TALK TIME: Up to 8 hrs. talk time* with rapid charge - 50% in 30 minutes. *depends on phone and network