EPOS - Sennheiser SD Pro 1 # 506007 , # 1000562 is a single-sided premium wireless DECT headset for quality-conscious business professionals demanding exceptional performance and supreme comfort. Designed for all-day use. The SD Pro 1 connects directly to desk phone and soft-phone PC to deliver excellent sound quality around the office. 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. IN THE BOX: â Sennheiser SD Pro 1 Wireless Headset â Sennheiser Base Station â Sennheiser Power Supply â Audio Phone Cable â USB Cable â 2 Pack Ear Cushions