Pushing the limits of headset technology, the Voyager PRO is the most advanced noise-canceling Bluetooth headset available. Two noise-canceling mics on a boom, AudioIQ² technology with its adaptive 20-band equalizer, and three layers of WindSmart technology ensure that you hear every word and that your voice is heard clearly despite the noise around you. This extremely comfortable, behind-the-ear headset is further proof of Plantronics' 40-plus years of commitment to headset engineering excellence. ■Always-on dual-mic AudioIQ² technology cancels noise while retaining the unique, natural sound of your voice ■Three layers of WindSmart technology--stainless steel mic screens, acoustic fabrics, and an electronic filter--block intrusive wind noise ■Pivoting mic boom lets you wear headset on either ear and optimize the position of the two microphones ■Automatic voice prompts alert battery and mute status ■Up to six hours of continuous talk time, five days of standby from single charge ■One-year warranty