Item Condition: New-Retail Package This headset is compatible with all Bluetooth-enabled phones Key Features: Exclusive Bose technology keeps incoming voice level above the noise around you so you can hear your call better Noise-rejecting microphone allows the person on the other end to hear more of your voice Proprietary StayHear; tip provides comfort and stability: no ear hook needed Simple, convenient controls make it easy to answer calls Rechargeable battery for up to 4 1/2 hours of talk time, 175 hours of standby time Description: The first Bluetooth headset from Bose does what others can"t: It lets you hear and be heard, even as noise levels around you change. No matter where you arebusy street, crowded lobby, airport terminalyour conversation won"t suffer. The unusually light and compact headset, with its proprietary StayHear ear tip, also provides comfort and stability while you"re on the go. And simple, intuitive controls make it easy to take calls. "Can you hear me now?" Yes. Finally. The Bose Bluetooth headset dramatically reduces interruptions like "What?" and "Say it again?" from your mobile phone conversations. Finally, you"re much less likely to miss important parts of the call when background noise gets loud. Bose advanced technology automatically senses noise around you and adjusts the headset volume accordingly. In a loud environment, the volume increases so you can hear your call. When things quiet down, the volume decreases. Either way, the listening level remains constant, even as noise conditions change. All the while, Bose TriPort acoustic structure ensures a natural voice quality, whatever the volume level. You"ll sound better, too The person on the other end hears you better as well. The headset"s noise-rejecting microphone differentiates between your voice and background noise, and transmits more of you (and less noise) to the listener. With technologies that accentuate voices over noise