MP56 VoIP Teams telephone, Android 9, 2 x Gigabit Ethernet, PoE required, AC optional, 7 inch touch colour LCD, optimal HD audio with Yealink Noise Proof Technology, supports Microsoft / Yealink / U2 device management platforms, RJ9 headset jack, USB, Bluetooth 4.2, 802.11ac Wi-Fi, Optional AC power supply.