Three microphones deliver superior sound quality - Convenient voice commands with dedicated voice button - Plantronics Vocalyst text and voice services - A2DP for streaming music, podcasts and more - Bing411 for news, traffic and driving directions - AudioIQ3 and DSP reduce background noise - Whispered voice alerts for low battery and more - Dedicated on/off switch preserves battery power - Flexible silicone ear gel tips - Easy to put on to quickly answer calls - Lightweight and comfortable design - Battery provides up to 4 hours talk time / 7 days standby - Weighs only 9 grams - M1100
