Plantronics Audio 400 DSP foldable stereo headset Part Number: 76921-01adds an enhanced version of digital signally with DSP for cleaner audio listening beyond standard USB. The foldable design allows for easy storage and transport. Recommended for Voice Recognition programs. Its noise-canceling microphone enhances speech accuracy.

Highlights:
Unified Communications
Folds for easy storage and transport
USB plug play – no sound card required
Noise canceling microphone
QuickAdjust microphone boom
Inline digital volume and mute controls