Overview The Jabra 8855-00-00 is an inline mute switch designed to connect between two quick disconnect (QD) headset cables, providing instant microphone muting with a simple flick. This compact accessory eliminates the need to remove your headset or use on-screen controls when you need privacy during calls. Its approximately five-inch cable length keeps your workspace neat while maintaining flexibility. Key features Inline mute switch that allows immediate microphone silencing without unplugging or removing the headset Secure and reliable connection using the standard Jabra QD interface, ensuring compatibility with professional headsets Compact design with a short cable length that minimizes desk clutter and maintains flexibility Easy installation by simply unclipping the existing QD connection and snapping the mute switch in line Ideal for call center agents, help-desk staff, and remote workers who require quick audio control during long calls Key specs Connection type: Quick disconnect (QD) headset cables Cable length: Approximately 5 inches Mute control: Inline switch for microphone muting Compatibility: Works with Jabra QD headsets and accessories Manufacturer part number: 8855-00-00 Country of origin: China Installation and setup Setting up the mute switch is straightforward and requires no tools. Simply unclip your existing QD headset cable, insert the mute switch inline, and reconnect the cables. This process takes seconds and does not affect the headset’s performance or comfort. The switch’s compact size ensures it does not interfere with your daily use or workspace arrangement. Ideal uses and environments This mute switch is well suited for professionals who spend extended periods on calls and need quick, discreet control over their microphone. It fits naturally into call centers, help desks, and home offices where managing background noise or stepping away from the desk without disrupting the call is important. Its compatibility with Jabra QD headsets makes it a practical upgrade for users already invested in Jabra’s professional audio ecosystem.