The Plantronics QD Mute Switch #27708-01 fits between Plantronics H and HW-Series corded headsets and cables/adapters to allow agents to mute the Plantronics Headset microphone.
The Plantronics In-Line mute Switch - 27708-01 is not covered under the Plantronics standard Warranty terms because it is an accessory.
Global Teck provides a 30-day money back guarantee. If you have questions about the Plantronics In-Line mute Switch - 27708-01 contact us prior to purchase.