Conference Phones - Poly (Plantronics) - Wireless headset - Bluetooth - USB-C - Omnidirectional microphone (OMNI directional) - Optimalised for Microsoft Teams - 20000 - 150 - Microsoft Skype for Business - Battery and USB - Power over Ethernet (PoE) - PoE, Class 2 - PoE, Class 6 - 3,0 m / 6,0 m diameter