Plantronics 3678401 is a telephone headset system designed for use in small offices and home offices. It offers hands-free convenience, superior sound clarity, and a variety of features to enhance productivity and communication.

The headset can be worn over-the-head or over-the-ear for comfort and stability. It features a noise-canceling microphone that delivers crystal clear voice quality and eliminates annoying background noise. Call Clarity technology filters phone line and room noise for clearer calls. The in-use indicator light lets others know when you're on the phone, ending unintended interruptions.