-3.5 color LCD screen -HD audio on speakerphone and handset -8 DSS keys on the main display (7 DSS keys and 1 page key), up to 21 DSS keys (8 dual-colored physical keys for up to 3 page). -Support 6-party local conference -Built-in Bluetooth 5.0 and 2.4G/5G Wi-Fi -Dual Gigabit ports, integrated PoE -Stand with 2 adjustable angles of 40 and 45 degrees