This compact adapter transforms your Audio-Technica headphones into a mobile headset for your music phone. The AT-MP100 adds a professional-quality microphone, as well as a convenient volume adjuster and control button to your 3.5 mm stereo headphones, allowing you to answer and end calls on your iPhone™ or Palm® Treo™ smartphone. Use the control button to switch between phone calls and music, as well as play, advance and pause songs on your iPhone.

• Add a microphone, volume adjuster, & control button to your 3.5 mm (1/8”) stereo headphones
  
• Answer & end calls on your iPhone or Palm Treo smartphone
  
• Play, advance & pause songs on your iPhone
  
• High-quality microphone for clear communication even in noisy surroundings
  
• 2 year warranty
  
• Compatible with any headphones equipped with a standard 3.5 mm (1/8”) plug