Feature●COMPATIBILITY: The W440 is a computer only headset NOT COMPATIBLE with a Bluetooth device.●READ BEFORE PURCHASING: Before a return The Plantronics Savi W440 is a USB only headset and WILL NOT connect with a desk phone. Before a return CONTACT SELLER for anything relating to setup or support. Echo, Static, headset not turning on and more is fixed by simple troubleshooting.●SECURE WIRELESS FREEDOM: DECT 6.0 technology ensures your conversations are secure and youll have a wireless freedom to walk and talk up to 350 feet●All DAY COMFORT: Included with 3 ear hooks and a headband you can choose the perfect wearing preference for your comfort●PEACE OF MIND: Youre covered with a 1 year advanced replacement warranty for peace of mindPEACE OF MIND: Youre covered with a 1 year advanced replacement warranty for peace of mind (Warranty, service and support is covered from seller NOT manufacturer)Description Before a return CONTACT SELLER with anything relating to headset not working, echo or static as this is resolved with quick troubleshooting steps.The Plantronics Savi 440 wireless headset system is designed for your PC, Laptop or Mac. Whether you need a headset for your softphone calls, webinars, voice dications or video conferencing, the savi 440 will work great. In addition, with DECT technology youll have a much further range than a Bluetooth headset. Rated up to 350 feet of wireless range to walk and talk in your office and a 7 hour battery talk time on a single charge keeps the conversation going. In addition, the Plantronics Savi 440 comes included with 3 choices of ear hooks and a headband for you to choose a perfect wearing style!