Behind-the-head wearing style for discreet listening- DSP provides wideband acoustic echo cancellation for clear calls- Digital equalizer optimizes 24-bit hi-fi stereo sound for enhanced listening- Noise-canceling microphone for clear conversations- Soft foam ear pads and lightweight materials for a comfortable fit- USB connection provides true plug-and-play ease- Easy-to-use inline controls for volume and mic mute- - AUDIO646
