Headset Buddy ClearMic for Bose QC25 - Noise Cancelling Boom Microphone for the QuietComfort 25 headphones (CM2502) Turn your Bose QuietComfort 25 (QC25) headphones into a headset Inline remote can answer/end calls, modify volume, and change music on select Apple devices Great for use in noisy environments - coffee shops, loud offices, airports, on the road, public transportation and more Uses the latest noise canceling technology so the person on the other end will think you're in a quiet office 100% Satisfaction guaranteed. 30-day money back warranty