Manufacturer: PLANTRONICS, INC.

Unique anti-twist boom ensures noise-canceling microphone stays properly positioned. All models available with voice tube or noise-canceling microphone. Adjustable double T-pad headband, earloop and clothing clip provide all-day comfort. Reduces background noise and incoming loud tones while enhancing call clarity. Advanced speaker technology for optimal clarity. Speaker pad balances off the ear for clear sound without pressure. Compact, lightweight headset with superior acoustics and sound reception. Quick Disconnect lets you leave your desk while the caller remains on the line. All-day comfort and best-in-class sound quality. Amplifier (sold separately) is required for operation.