<ul><li>Business Phone Wireless Headset, Two year warranty : Developed specifically for Reliable, Business-Priority Phone Calls. Unleash Unmatched Productivity Revolutionize your work routine with the freedom to connect up to four trusted devices for seamless multitasking. This Bluetooth headset with a microphone for work lets you effortlessly switch between devices and move within a remarkable 100 ft range, ensuring your calls are crystal clear and uninterrupted.</li><li>Dual Pair Bluetooth with 100 Feet Distance : Pair Up to 4 trusted devices, 2 active standby pairing. Maximize Productivity by Easily Connecting to a Bluetooth function Phone/PC, allowing you to move freely with up to a 100 ft (30 m) range while talking on the phone. No Delays and Hassle Free Calls.</li><li>Call Control USB-A Dongle for PC Phone : The USB-A ,Plug and Play, Dongle for PC Phones (Teams, Zoom etc) provides Call Controls, Improved Voice Quality, More Stable and No Transmission Delay Call. BT without this Special Dongle is not Suitable for Business Calls due to Many Functional Limitations. For Teams, works "Ring Alert, Remote Hook On and Off, Mute interaction". For Zoom, works "Remote Hook On and Off, Mute interaction" without Any additional complicated setup.</li><li>20 Hours Talk with Noise Cancel : Essential Business Call Battery Performance with 20 hours of talk time and 96 hours standby time. A Powerful Digital Signal Process Chipset filters your Background Noise for Other party's hearing.</li><li>Comfortable Wearing and Charge: Memory foam ear cushions minimize pressure on your ears, and the soft cushions surrounding the ultra-light headband can be adjusted to fit your head. The sleek charging dock makes it easy to charge while resting, or also charge it by connecting directly with an USB power cable. 10 Language Voice Prompts ( Eng-Spanish-French-German-Italian-Dutch-Russian-Danish-Swedish-Norweigian )</li></ul><br><br>

Professional Phone Call Bluetooth Headset for Poly Polycom vvx 600, 601, E220, E320, E350, E450, E550 Any Bluetooth Function Phone + USB-A Dongle for Teams, Zoom and More PC Phones(Stereo Speaker)