Skype for Business Certified, USB & Bluetooth Compatible, 1 x 3.5mm Headphone Jack, Bluetooth 4.1, Digital Signal Processing (DSP), Wideband Audio / HD Voice, ZoomTalk Microphones, Supports up to 15 Meeting Participants Transform your conference calls with the Jabra Speak 810 MS. This Microsoft Skype for Business-certified speaker phone can easily be integrated into a variety of real-time enterprise communication services to keep you connected. Featuring ZoomTalk microphones this speakerphone can detect individual voices of up to 15 meeting attendees filtering out background noise to ensure clear communications. The speaker itself features one 3.5mm headphone jack to connect instantly to nearly any smartphone or tablet. You can also connect via Bluetooth as the Speak 810 MS supports Bluetooth 4.1 connectivity at a distance of up to 30 feet. In addition to connecting via the 3.5mm headphone jack you can connect your mobile devices to the built-in USB port for a quick charge. With plug-and-play functionality the Speak 810 MS is easy to set up allowing you to make and receive calls in no time.