Prime Business Phone 3.7 360160 pixels graphical LCD with adjustable screen Dualport Gigabit Ethernet no builtin Bluetooth and WiFi, support via USB dongle USB 2.0 port for USB recording, headsets, EXP50, and Bluetooth dongle, WiFi dongle Up to 12 VoIP accounts Optimal HD audio, HAC Handset Paperless label design Wall mountable IEEE 802.3af PoE support, without PSU