Conference Phones - Yes - Headset with cable - Mobile phone - Bluetooth - USB-A - Omnidirectional microphone (OMNI directional) - Optimalised for Microsoft Teams - 16 - 210 - 20000 - 150 - Microsoft Skype for Business - External power supply/injector - Power over Ethernet (PoE) - Built-in battery - 3,0 m / 6,0 m diameter