Android 137 inch 1024x 600 IPS capacitive touch screenOptimal HD audio, Yealink Noise Proof TechnologyMagnet HandsetSupports up to 3 Expansion Module EXP501 USB Type A port, supports USB headset1 USB Type C port, supports Device Mode Coming SoonBuiltin Bluetooth 5.2 and Dual Band 2.4G/5G WiFi 5Supports Microsoft TAC YMCSWall mountableDualport Gigabit Ethernet, PoE supportHybrid mode