Classical IP Phone 2.4 320 x 240pixel color display with backlight Yealink HD Voice Up to 4 SIP accountsClassical IP Phone 2.4 320 x 240pixel color display with backlight Yealink HD Voice Up to 4 SIP accounts 1xUSB support USB Headset Buildin WiFi RJ Headset support T3x firmware unified Dualport Gigabit Ethernet Wall mountable PoE support Stand with 2 adjustable angles, without PSU