Jabra Speak 510 MS & Link 370 - Professional Unified Communicaton Speakerphone Clearer conversations for more efficient meetings, crystal-clear voice experience ensures everyone is heard Optimized UC experience, set-up in Seconds - compatible with all leading UC platforms. Up to 15 hours of talk-time on a single charge The models that are certified for Microsoft Skype for business (Lync) support Microsoft Skype for business in plug-and-play mode. Bluetooth 3.0, range of up to 100 meters on class 1 devices, USB BT audio Device/hid dongle, hold conference calls in meetings wherever you go Compact and portable Seamless connectivity, simple plug and play set up via USB or Bluetooth to get your meetings started quickly.