• Exclusive Bose technologies let you hear calls better, even as noise levels change
• Noise-rejecting microphone allows callers to hear more of your voice-in windy and noisy environments too
• A2DP Bluetooth profile enables mobile media content, like music or podcasts, from your smartphone
• Simple, convenient controls make it easy to answer calls,Side-specific design for the fit you prefer
• Rechargeable lithium-ion battery provides up to 4.5 hours of talk time and 100 hours of standby time per charge

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