The Sennheiser the Sennheiser SD PRO1 is great for office voice and conferencing applications on your PC, Macbook or Mobile Phone such as Dragon Dictation, RingCentral, Fuze ... Zoom or Webex conference calls, or streaming music. Certified for Skype for Business and Microsoft Office 365 Teams, the Sennheiser SD PRO1 headset is designed for UC business professionals who demand wireless communication freedom, brilliant sound quality, and exceptional wearing comfort.