Ultraelegant Gigabit IP Phone 3.7 360x160pixel graphical LCD with backlight Dual USB ports Opus codec support T4U AutoP template unified T4U firmware unified Up to 12 SIP accounts PoE support USB headset and EHS support WiFi via WF40/WF50 Bluetooth via BT40/BT41 Supports expansion modules Stand with 2 adjustable angles Wall mountablewithout PSU